Finding the Fourth Proportional to 14,325, 19,758.40 and 12,432.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,325 : 19,758.40 = 12,432.84 : x
2. Step 2: Convert to fraction form
   14,325/19,758.40 = 12,432.84/x
3. Step 3: Cross multiply
   14,325x = 19,758.40 × 12,432.84
4. Step 4: Simplify right side
   14,325x = 245,653,025.86
5. Step 5: Solve for x
   x = 245,653,025.86/14,325
6. Step 6: Final answer
   x = 17,148.55