Finding the Fourth Proportional to 12,781.33, 17,635.52 and 8,062.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,781.33 : 17,635.52 = 8,062.88 : x
2. Step 2: Convert to fraction form
   12,781.33/17,635.52 = 8,062.88/x
3. Step 3: Cross multiply
   12,781.33x = 17,635.52 × 8,062.88
4. Step 4: Simplify right side
   12,781.33x = 142,193,013.48
5. Step 5: Solve for x
   x = 142,193,013.48/12,781.33
6. Step 6: Final answer
   x = 11,125.06