Finding the Fourth Proportional to 23,491.32, 32,417.88 and 12,881

Step by Step Solution

1. Step 1: Write the proportion equation
   23,491.32 : 32,417.88 = 12,881 : x
2. Step 2: Convert to fraction form
   23,491.32/32,417.88 = 12,881/x
3. Step 3: Cross multiply
   23,491.32x = 32,417.88 × 12,881
4. Step 4: Simplify right side
   23,491.32x = 417,574,712.28
5. Step 5: Solve for x
   x = 417,574,712.28/23,491.32
6. Step 6: Final answer
   x = 17,775.70