Finding the Fourth Proportional to 22,507.88, 31,062.34 and 12,436.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,507.88 : 31,062.34 = 12,436.32 : x
2. Step 2: Convert to fraction form
   22,507.88/31,062.34 = 12,436.32/x
3. Step 3: Cross multiply
   22,507.88x = 31,062.34 × 12,436.32
4. Step 4: Simplify right side
   22,507.88x = 386,301,138.01
5. Step 5: Solve for x
   x = 386,301,138.01/22,507.88
6. Step 6: Final answer
   x = 17,162.93