Finding the Fourth Proportional to 9,113.18, 12,575.72 and 5,134.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.18 : 12,575.72 = 5,134.52 : x
2. Step 2: Convert to fraction form
   9,113.18/12,575.72 = 5,134.52/x
3. Step 3: Cross multiply
   9,113.18x = 12,575.72 × 5,134.52
4. Step 4: Simplify right side
   9,113.18x = 64,570,330.13
5. Step 5: Solve for x
   x = 64,570,330.13/9,113.18
6. Step 6: Final answer
   x = 7,085.38