Finding the Fourth Proportional to 89,425.55, 123,404.69 and 50,659.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,425.55 : 123,404.69 = 50,659.76 : x
2. Step 2: Convert to fraction form
   89,425.55/123,404.69 = 50,659.76/x
3. Step 3: Cross multiply
   89,425.55x = 123,404.69 × 50,659.76
4. Step 4: Simplify right side
   89,425.55x = 6,251,651,107.95
5. Step 5: Solve for x
   x = 6,251,651,107.95/89,425.55
6. Step 6: Final answer
   x = 69,909.01