Finding the Fourth Proportional to 22,932.42, 31,646.16 and 12,860.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,932.42 : 31,646.16 = 12,860.04 : x
2. Step 2: Convert to fraction form
   22,932.42/31,646.16 = 12,860.04/x
3. Step 3: Cross multiply
   22,932.42x = 31,646.16 × 12,860.04
4. Step 4: Simplify right side
   22,932.42x = 406,970,883.45
5. Step 5: Solve for x
   x = 406,970,883.45/22,932.42
6. Step 6: Final answer
   x = 17,746.53