Finding the Fourth Proportional to 22,474.09, 31,014.21 and 12,402.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,474.09 : 31,014.21 = 12,402.52 : x
2. Step 2: Convert to fraction form
   22,474.09/31,014.21 = 12,402.52/x
3. Step 3: Cross multiply
   22,474.09x = 31,014.21 × 12,402.52
4. Step 4: Simplify right side
   22,474.09x = 384,654,359.81
5. Step 5: Solve for x
   x = 384,654,359.81/22,474.09
6. Step 6: Final answer
   x = 17,115.46