Finding the Fourth Proportional to 42,311.59, 63,474.69 and 14,234.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,311.59 : 63,474.69 = 14,234.35 : x
2. Step 2: Convert to fraction form
   42,311.59/63,474.69 = 14,234.35/x
3. Step 3: Cross multiply
   42,311.59x = 63,474.69 × 14,234.35
4. Step 4: Simplify right side
   42,311.59x = 903,520,953.60
5. Step 5: Solve for x
   x = 903,520,953.60/42,311.59
6. Step 6: Final answer
   x = 21,353.98