Finding the Fourth Proportional to 89,449.50, 123,466.23 and 59,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,449.50 : 123,466.23 = 59,641.50 : x
2. Step 2: Convert to fraction form
   89,449.50/123,466.23 = 59,641.50/x
3. Step 3: Cross multiply
   89,449.50x = 123,466.23 × 59,641.50
4. Step 4: Simplify right side
   89,449.50x = 7,363,711,156.55
5. Step 5: Solve for x
   x = 7,363,711,156.55/89,449.50
6. Step 6: Final answer
   x = 82,322.55