Finding the Fourth Proportional to 12,488.04, 17,227.68 and 7,703.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.04 : 17,227.68 = 7,703.98 : x
2. Step 2: Convert to fraction form
   12,488.04/17,227.68 = 7,703.98/x
3. Step 3: Cross multiply
   12,488.04x = 17,227.68 × 7,703.98
4. Step 4: Simplify right side
   12,488.04x = 132,721,702.17
5. Step 5: Solve for x
   x = 132,721,702.17/12,488.04
6. Step 6: Final answer
   x = 10,627.90