Finding the Fourth Proportional to 81,738,978.26, 112,827,123.69 and 48,709,584.77

Step by Step Solution

1. Step 1: Write the proportion equation
   81,738,978.26 : 112,827,123.69 = 48,709,584.77 : x
2. Step 2: Convert to fraction form
   81,738,978.26/112,827,123.69 = 48,709,584.77/x
3. Step 3: Cross multiply
   81,738,978.26x = 112,827,123.69 × 48,709,584.77
4. Step 4: Simplify right side
   81,738,978.26x = 5,495,762,344,986,534
5. Step 5: Solve for x
   x = 5,495,762,344,986,534/81,738,978.26
6. Step 6: Final answer
   x = 67,235,515.57