Finding the Fourth Proportional to 89,499.60, 123,515.82 and 59,232.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,499.60 : 123,515.82 = 59,232.06 : x
2. Step 2: Convert to fraction form
   89,499.60/123,515.82 = 59,232.06/x
3. Step 3: Cross multiply
   89,499.60x = 123,515.82 × 59,232.06
4. Step 4: Simplify right side
   89,499.60x = 7,316,096,461.19
5. Step 5: Solve for x
   x = 7,316,096,461.19/89,499.60
6. Step 6: Final answer
   x = 81,744.46