Finding the Fourth Proportional to 23,486.24, 32,411.76 and 12,875.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,486.24 : 32,411.76 = 12,875.78 : x
2. Step 2: Convert to fraction form
   23,486.24/32,411.76 = 12,875.78/x
3. Step 3: Cross multiply
   23,486.24x = 32,411.76 × 12,875.78
4. Step 4: Simplify right side
   23,486.24x = 417,326,691.17
5. Step 5: Solve for x
   x = 417,326,691.17/23,486.24
6. Step 6: Final answer
   x = 17,768.99