Finding the Fourth Proportional to 22,539, 31,103.82 and 12,603

Step by Step Solution

1. Step 1: Write the proportion equation
   22,539 : 31,103.82 = 12,603 : x
2. Step 2: Convert to fraction form
   22,539/31,103.82 = 12,603/x
3. Step 3: Cross multiply
   22,539x = 31,103.82 × 12,603
4. Step 4: Simplify right side
   22,539x = 392,001,443.46
5. Step 5: Solve for x
   x = 392,001,443.46/22,539
6. Step 6: Final answer
   x = 17,392.14