Finding the Fourth Proportional to 72,140.83, 108,703.67 and 59,281.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,140.83 : 108,703.67 = 59,281.27 : x
2. Step 2: Convert to fraction form
   72,140.83/108,703.67 = 59,281.27/x
3. Step 3: Cross multiply
   72,140.83x = 108,703.67 × 59,281.27
4. Step 4: Simplify right side
   72,140.83x = 6,444,091,376.55
5. Step 5: Solve for x
   x = 6,444,091,376.55/72,140.83
6. Step 6: Final answer
   x = 89,326.55