Finding the Fourth Proportional to 113,762,277, 156,947,274 and 66,069,412.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,762,277 : 156,947,274 = 66,069,412.59 : x
2. Step 2: Convert to fraction form
   113,762,277/156,947,274 = 66,069,412.59/x
3. Step 3: Cross multiply
   113,762,277x = 156,947,274 × 66,069,412.59
4. Step 4: Simplify right side
   113,762,277x = 10,369,414,200,781,780
5. Step 5: Solve for x
   x = 10,369,414,200,781,780/113,762,277
6. Step 6: Final answer
   x = 91,149,847.51