Finding the Fourth Proportional to 6,240.79, 9,320.72 and 5,654.62

Step by Step Solution

1. Step 1: Write the proportion equation
   6,240.79 : 9,320.72 = 5,654.62 : x
2. Step 2: Convert to fraction form
   6,240.79/9,320.72 = 5,654.62/x
3. Step 3: Cross multiply
   6,240.79x = 9,320.72 × 5,654.62
4. Step 4: Simplify right side
   6,240.79x = 52,705,129.73
5. Step 5: Solve for x
   x = 52,705,129.73/6,240.79
6. Step 6: Final answer
   x = 8,445.27