Finding the Fourth Proportional to 31,892.72, 47,841.06 and 9,707.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,892.72 : 47,841.06 = 9,707.72 : x
2. Step 2: Convert to fraction form
   31,892.72/47,841.06 = 9,707.72/x
3. Step 3: Cross multiply
   31,892.72x = 47,841.06 × 9,707.72
4. Step 4: Simplify right side
   31,892.72x = 464,427,614.98
5. Step 5: Solve for x
   x = 464,427,614.98/31,892.72
6. Step 6: Final answer
   x = 14,562.18