Finding the Fourth Proportional to 89,123.01, 122,943.75 and 60,432.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,123.01 : 122,943.75 = 60,432.96 : x
2. Step 2: Convert to fraction form
   89,123.01/122,943.75 = 60,432.96/x
3. Step 3: Cross multiply
   89,123.01x = 122,943.75 × 60,432.96
4. Step 4: Simplify right side
   89,123.01x = 7,429,854,726
5. Step 5: Solve for x
   x = 7,429,854,726/89,123.01
6. Step 6: Final answer
   x = 83,366.29