Finding the Fourth Proportional to 22,473.52, 31,013.24 and 12,402.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,473.52 : 31,013.24 = 12,402.16 : x
2. Step 2: Convert to fraction form
   22,473.52/31,013.24 = 12,402.16/x
3. Step 3: Cross multiply
   22,473.52x = 31,013.24 × 12,402.16
4. Step 4: Simplify right side
   22,473.52x = 384,631,164.60
5. Step 5: Solve for x
   x = 384,631,164.60/22,473.52
6. Step 6: Final answer
   x = 17,114.86