Finding the Fourth Proportional to 142,083,651.80, 196,075,436.54 and 76,893,555.16

Step by Step Solution

1. Step 1: Write the proportion equation
   142,083,651.80 : 196,075,436.54 = 76,893,555.16 : x
2. Step 2: Convert to fraction form
   142,083,651.80/196,075,436.54 = 76,893,555.16/x
3. Step 3: Cross multiply
   142,083,651.80x = 196,075,436.54 × 76,893,555.16
4. Step 4: Simplify right side
   142,083,651.80x = 15,076,937,395,109,568
5. Step 5: Solve for x
   x = 15,076,937,395,109,568/142,083,651.80
6. Step 6: Final answer
   x = 106,113,104.53