Finding the Fourth Proportional to 31,760.59, 47,659.34 and 14,230.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,760.59 : 47,659.34 = 14,230.42 : x
2. Step 2: Convert to fraction form
   31,760.59/47,659.34 = 14,230.42/x
3. Step 3: Cross multiply
   31,760.59x = 47,659.34 × 14,230.42
4. Step 4: Simplify right side
   31,760.59x = 678,212,435.57
5. Step 5: Solve for x
   x = 678,212,435.57/31,760.59
6. Step 6: Final answer
   x = 21,353.90