Finding the Fourth Proportional to 9,480.42, 13,082.91 and 5,288.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.42 : 13,082.91 = 5,288.58 : x
2. Step 2: Convert to fraction form
   9,480.42/13,082.91 = 5,288.58/x
3. Step 3: Cross multiply
   9,480.42x = 13,082.91 × 5,288.58
4. Step 4: Simplify right side
   9,480.42x = 69,190,016.17
5. Step 5: Solve for x
   x = 69,190,016.17/9,480.42
6. Step 6: Final answer
   x = 7,298.20