Finding the Fourth Proportional to 22,475.52, 31,016.16 and 12,403.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,475.52 : 31,016.16 = 12,403.98 : x
2. Step 2: Convert to fraction form
   22,475.52/31,016.16 = 12,403.98/x
3. Step 3: Cross multiply
   22,475.52x = 31,016.16 × 12,403.98
4. Step 4: Simplify right side
   22,475.52x = 384,723,828.32
5. Step 5: Solve for x
   x = 384,723,828.32/22,475.52
6. Step 6: Final answer
   x = 17,117.46