Finding the Fourth Proportional to 23,483.28, 32,407.38 and 12,872.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,483.28 : 32,407.38 = 12,872.28 : x
2. Step 2: Convert to fraction form
   23,483.28/32,407.38 = 12,872.28/x
3. Step 3: Cross multiply
   23,483.28x = 32,407.38 × 12,872.28
4. Step 4: Simplify right side
   23,483.28x = 417,156,869.43
5. Step 5: Solve for x
   x = 417,156,869.43/23,483.28
6. Step 6: Final answer
   x = 17,764.00