Finding the Fourth Proportional to 89,523.20, 123,554.56 and 51,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,523.20 : 123,554.56 = 51,294.72 : x
2. Step 2: Convert to fraction form
   89,523.20/123,554.56 = 51,294.72/x
3. Step 3: Cross multiply
   89,523.20x = 123,554.56 × 51,294.72
4. Step 4: Simplify right side
   89,523.20x = 6,337,696,559.92
5. Step 5: Solve for x
   x = 6,337,696,559.92/89,523.20
6. Step 6: Final answer
   x = 70,793.90