Finding the Fourth Proportional to 12,610.54, 17,402.29 and 7,897.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.54 : 17,402.29 = 7,897.42 : x
2. Step 2: Convert to fraction form
   12,610.54/17,402.29 = 7,897.42/x
3. Step 3: Cross multiply
   12,610.54x = 17,402.29 × 7,897.42
4. Step 4: Simplify right side
   12,610.54x = 137,433,239.52
5. Step 5: Solve for x
   x = 137,433,239.52/12,610.54
6. Step 6: Final answer
   x = 10,898.28