Finding the Fourth Proportional to 89,367.59, 123,330.56 and 53,550.66

Step by Step Solution

1. Step 1: Write the proportion equation
   89,367.59 : 123,330.56 = 53,550.66 : x
2. Step 2: Convert to fraction form
   89,367.59/123,330.56 = 53,550.66/x
3. Step 3: Cross multiply
   89,367.59x = 123,330.56 × 53,550.66
4. Step 4: Simplify right side
   89,367.59x = 6,604,432,886.17
5. Step 5: Solve for x
   x = 6,604,432,886.17/89,367.59
6. Step 6: Final answer
   x = 73,901.88