Finding the Fourth Proportional to 9,488.31, 13,092.87 and 5,508.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.31 : 13,092.87 = 5,508.65 : x
2. Step 2: Convert to fraction form
   9,488.31/13,092.87 = 5,508.65/x
3. Step 3: Cross multiply
   9,488.31x = 13,092.87 × 5,508.65
4. Step 4: Simplify right side
   9,488.31x = 72,123,972.86
5. Step 5: Solve for x
   x = 72,123,972.86/9,488.31
6. Step 6: Final answer
   x = 7,601.35