Finding the Fourth Proportional to 22,529.37, 31,088.34 and 12,456.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,529.37 : 31,088.34 = 12,456.43 : x
2. Step 2: Convert to fraction form
   22,529.37/31,088.34 = 12,456.43/x
3. Step 3: Cross multiply
   22,529.37x = 31,088.34 × 12,456.43
4. Step 4: Simplify right side
   22,529.37x = 387,249,731.03
5. Step 5: Solve for x
   x = 387,249,731.03/22,529.37
6. Step 6: Final answer
   x = 17,188.66