Finding the Fourth Proportional to 72,141.57, 108,065.37 and 58,861.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,141.57 : 108,065.37 = 58,861.89 : x
2. Step 2: Convert to fraction form
   72,141.57/108,065.37 = 58,861.89/x
3. Step 3: Cross multiply
   72,141.57x = 108,065.37 × 58,861.89
4. Step 4: Simplify right side
   72,141.57x = 6,360,931,921.75
5. Step 5: Solve for x
   x = 6,360,931,921.75/72,141.57
6. Step 6: Final answer
   x = 88,172.91