Finding the Fourth Proportional to 113,636,092.12, 156,817,739.55 and 61,425,128.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,636,092.12 : 156,817,739.55 = 61,425,128.59 : x
2. Step 2: Convert to fraction form
   113,636,092.12/156,817,739.55 = 61,425,128.59/x
3. Step 3: Cross multiply
   113,636,092.12x = 156,817,739.55 × 61,425,128.59
4. Step 4: Simplify right side
   113,636,092.12x = 9,632,549,817,051,880
5. Step 5: Solve for x
   x = 9,632,549,817,051,880/113,636,092.12
6. Step 6: Final answer
   x = 84,766,640.93