Finding the Fourth Proportional to 9,480.38, 13,082.99 and 5,288.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.38 : 13,082.99 = 5,288.63 : x
2. Step 2: Convert to fraction form
   9,480.38/13,082.99 = 5,288.63/x
3. Step 3: Cross multiply
   9,480.38x = 13,082.99 × 5,288.63
4. Step 4: Simplify right side
   9,480.38x = 69,191,001.55
5. Step 5: Solve for x
   x = 69,191,001.55/9,480.38
6. Step 6: Final answer
   x = 7,298.34