Finding the Fourth Proportional to 72,475.30, 108,716.37 and 59,801.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72,475.30 : 108,716.37 = 59,801.55 : x
2. Step 2: Convert to fraction form
   72,475.30/108,716.37 = 59,801.55/x
3. Step 3: Cross multiply
   72,475.30x = 108,716.37 × 59,801.55
4. Step 4: Simplify right side
   72,475.30x = 6,501,407,329.98
5. Step 5: Solve for x
   x = 6,501,407,329.98/72,475.30
6. Step 6: Final answer
   x = 89,705.14