Finding the Fourth Proportional to 31,470.12, 47,193.94 and 10,406.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,470.12 : 47,193.94 = 10,406.27 : x
2. Step 2: Convert to fraction form
   31,470.12/47,193.94 = 10,406.27/x
3. Step 3: Cross multiply
   31,470.12x = 47,193.94 × 10,406.27
4. Step 4: Simplify right side
   31,470.12x = 491,113,013.00
5. Step 5: Solve for x
   x = 491,113,013.00/31,470.12
6. Step 6: Final answer
   x = 15,605.69