Finding the Fourth Proportional to 8,127.55, 12,167.56 and 7,349.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,127.55 : 12,167.56 = 7,349.34 : x
2. Step 2: Convert to fraction form
   8,127.55/12,167.56 = 7,349.34/x
3. Step 3: Cross multiply
   8,127.55x = 12,167.56 × 7,349.34
4. Step 4: Simplify right side
   8,127.55x = 89,423,535.41
5. Step 5: Solve for x
   x = 89,423,535.41/8,127.55
6. Step 6: Final answer
   x = 11,002.52