Finding the Fourth Proportional to 23,498.34, 32,427.42 and 12,887.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,498.34 : 32,427.42 = 12,887.88 : x
2. Step 2: Convert to fraction form
   23,498.34/32,427.42 = 12,887.88/x
3. Step 3: Cross multiply
   23,498.34x = 32,427.42 × 12,887.88
4. Step 4: Simplify right side
   23,498.34x = 417,920,697.67
5. Step 5: Solve for x
   x = 417,920,697.67/23,498.34
6. Step 6: Final answer
   x = 17,785.12