Finding the Fourth Proportional to 9,113.99, 12,575.52 and 5,574.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.99 : 12,575.52 = 5,574.69 : x
2. Step 2: Convert to fraction form
   9,113.99/12,575.52 = 5,574.69/x
3. Step 3: Cross multiply
   9,113.99x = 12,575.52 × 5,574.69
4. Step 4: Simplify right side
   9,113.99x = 70,104,625.59
5. Step 5: Solve for x
   x = 70,104,625.59/9,113.99
6. Step 6: Final answer
   x = 7,691.98