Finding the Fourth Proportional to 22,365.69, 30,862.31 and 12,932.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,365.69 : 30,862.31 = 12,932.43 : x
2. Step 2: Convert to fraction form
   22,365.69/30,862.31 = 12,932.43/x
3. Step 3: Cross multiply
   22,365.69x = 30,862.31 × 12,932.43
4. Step 4: Simplify right side
   22,365.69x = 399,124,663.71
5. Step 5: Solve for x
   x = 399,124,663.71/22,365.69
6. Step 6: Final answer
   x = 17,845.40