Finding the Fourth Proportional to 118,359,087,162.68, 163,347,714,224.56 and 72,012,804,675.90

Step by Step Solution

1. Step 1: Write the proportion equation
   118,359,087,162.68 : 163,347,714,224.56 = 72,012,804,675.90 : x
2. Step 2: Convert to fraction form
   118,359,087,162.68/163,347,714,224.56 = 72,012,804,675.90/x
3. Step 3: Cross multiply
   118,359,087,162.68x = 163,347,714,224.56 × 72,012,804,675.90
4. Step 4: Simplify right side
   118,359,087,162.68x = 11,763,127,038,707,155,075,072
5. Step 5: Solve for x
   x = 11,763,127,038,707,155,075,072/118,359,087,162.68
6. Step 6: Final answer
   x = 99,385,077,400.43