Finding the Fourth Proportional to 9,465.12, 13,061.91 and 5,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,465.12 : 13,061.91 = 5,488.56 : x
2. Step 2: Convert to fraction form
   9,465.12/13,061.91 = 5,488.56/x
3. Step 3: Cross multiply
   9,465.12x = 13,061.91 × 5,488.56
4. Step 4: Simplify right side
   9,465.12x = 71,691,076.75
5. Step 5: Solve for x
   x = 71,691,076.75/9,465.12
6. Step 6: Final answer
   x = 7,574.24