Finding the Fourth Proportional to 12,851.55, 17,735.52 and 7,545.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,851.55 : 17,735.52 = 7,545.34 : x
2. Step 2: Convert to fraction form
   12,851.55/17,735.52 = 7,545.34/x
3. Step 3: Cross multiply
   12,851.55x = 17,735.52 × 7,545.34
4. Step 4: Simplify right side
   12,851.55x = 133,820,528.48
5. Step 5: Solve for x
   x = 133,820,528.48/12,851.55
6. Step 6: Final answer
   x = 10,412.79