Finding the Fourth Proportional to 16,925.40, 23,356.86 and 9,371.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,925.40 : 23,356.86 = 9,371.88 : x
2. Step 2: Convert to fraction form
   16,925.40/23,356.86 = 9,371.88/x
3. Step 3: Cross multiply
   16,925.40x = 23,356.86 × 9,371.88
4. Step 4: Simplify right side
   16,925.40x = 218,897,689.10
5. Step 5: Solve for x
   x = 218,897,689.10/16,925.40
6. Step 6: Final answer
   x = 12,933.09