Finding the Fourth Proportional to 22,506.96, 31,060.77 and 12,435.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,506.96 : 31,060.77 = 12,435.32 : x
2. Step 2: Convert to fraction form
   22,506.96/31,060.77 = 12,435.32/x
3. Step 3: Cross multiply
   22,506.96x = 31,060.77 × 12,435.32
4. Step 4: Simplify right side
   22,506.96x = 386,250,645.42
5. Step 5: Solve for x
   x = 386,250,645.42/22,506.96
6. Step 6: Final answer
   x = 17,161.38