Finding the Fourth Proportional to 9,508.86, 13,123.35 and 5,316.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,508.86 : 13,123.35 = 5,316.30 : x
2. Step 2: Convert to fraction form
   9,508.86/13,123.35 = 5,316.30/x
3. Step 3: Cross multiply
   9,508.86x = 13,123.35 × 5,316.30
4. Step 4: Simplify right side
   9,508.86x = 69,767,665.61
5. Step 5: Solve for x
   x = 69,767,665.61/9,508.86
6. Step 6: Final answer
   x = 7,337.12