Finding the Fourth Proportional to 89,253.32, 123,088 and 59,069.20

Step by Step Solution

1. Step 1: Write the proportion equation
   89,253.32 : 123,088 = 59,069.20 : x
2. Step 2: Convert to fraction form
   89,253.32/123,088 = 59,069.20/x
3. Step 3: Cross multiply
   89,253.32x = 123,088 × 59,069.20
4. Step 4: Simplify right side
   89,253.32x = 7,270,709,689.60
5. Step 5: Solve for x
   x = 7,270,709,689.60/89,253.32
6. Step 6: Final answer
   x = 81,461.50