Finding the Fourth Proportional to 83,116,487.79, 124,701,642.72 and 39,980,077.92

Step by Step Solution

1. Step 1: Write the proportion equation
   83,116,487.79 : 124,701,642.72 = 39,980,077.92 : x
2. Step 2: Convert to fraction form
   83,116,487.79/124,701,642.72 = 39,980,077.92/x
3. Step 3: Cross multiply
   83,116,487.79x = 124,701,642.72 × 39,980,077.92
4. Step 4: Simplify right side
   83,116,487.79x = 4,985,581,392,697,601
5. Step 5: Solve for x
   x = 4,985,581,392,697,601/83,116,487.79
6. Step 6: Final answer
   x = 59,983,061.43