Finding the Fourth Proportional to 42,951.07, 64,411.17 and 14,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,951.07 : 64,411.17 = 14,863.50 : x
2. Step 2: Convert to fraction form
   42,951.07/64,411.17 = 14,863.50/x
3. Step 3: Cross multiply
   42,951.07x = 64,411.17 × 14,863.50
4. Step 4: Simplify right side
   42,951.07x = 957,375,188.40
5. Step 5: Solve for x
   x = 957,375,188.40/42,951.07
6. Step 6: Final answer
   x = 22,289.90