Finding the Fourth Proportional to 9,134.86, 12,606.69 and 5,154.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,134.86 : 12,606.69 = 5,154.52 : x
2. Step 2: Convert to fraction form
   9,134.86/12,606.69 = 5,154.52/x
3. Step 3: Cross multiply
   9,134.86x = 12,606.69 × 5,154.52
4. Step 4: Simplify right side
   9,134.86x = 64,981,435.74
5. Step 5: Solve for x
   x = 64,981,435.74/9,134.86
6. Step 6: Final answer
   x = 7,113.57