Finding the Fourth Proportional to 118,142,024.93, 163,038,604.25 and 65,218,607.23

Step by Step Solution

1. Step 1: Write the proportion equation
   118,142,024.93 : 163,038,604.25 = 65,218,607.23 : x
2. Step 2: Convert to fraction form
   118,142,024.93/163,038,604.25 = 65,218,607.23/x
3. Step 3: Cross multiply
   118,142,024.93x = 163,038,604.25 × 65,218,607.23
4. Step 4: Simplify right side
   118,142,024.93x = 10,633,150,693,174,470
5. Step 5: Solve for x
   x = 10,633,150,693,174,470/118,142,024.93
6. Step 6: Final answer
   x = 90,003,118.70