Finding the Fourth Proportional to 22,496.80, 31,051.59 and 12,937.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.80 : 31,051.59 = 12,937.74 : x
2. Step 2: Convert to fraction form
   22,496.80/31,051.59 = 12,937.74/x
3. Step 3: Cross multiply
   22,496.80x = 31,051.59 × 12,937.74
4. Step 4: Simplify right side
   22,496.80x = 401,737,398.01
5. Step 5: Solve for x
   x = 401,737,398.01/22,496.80
6. Step 6: Final answer
   x = 17,857.54