Finding the Fourth Proportional to 12,798, 17,655.39 and 7,490.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,798 : 17,655.39 = 7,490.52 : x
2. Step 2: Convert to fraction form
   12,798/17,655.39 = 7,490.52/x
3. Step 3: Cross multiply
   12,798x = 17,655.39 × 7,490.52
4. Step 4: Simplify right side
   12,798x = 132,248,051.90
5. Step 5: Solve for x
   x = 132,248,051.90/12,798
6. Step 6: Final answer
   x = 10,333.49