Finding the Fourth Proportional to 22,539.34, 31,104.12 and 12,603.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,539.34 : 31,104.12 = 12,603.34 : x
2. Step 2: Convert to fraction form
   22,539.34/31,104.12 = 12,603.34/x
3. Step 3: Cross multiply
   22,539.34x = 31,104.12 × 12,603.34
4. Step 4: Simplify right side
   22,539.34x = 392,015,799.76
5. Step 5: Solve for x
   x = 392,015,799.76/22,539.34
6. Step 6: Final answer
   x = 17,392.51