Finding the Fourth Proportional to 31,510.64, 47,276.76 and 10,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510.64 : 47,276.76 = 10,748.72 : x
2. Step 2: Convert to fraction form
   31,510.64/47,276.76 = 10,748.72/x
3. Step 3: Cross multiply
   31,510.64x = 47,276.76 × 10,748.72
4. Step 4: Simplify right side
   31,510.64x = 508,164,655.75
5. Step 5: Solve for x
   x = 508,164,655.75/31,510.64
6. Step 6: Final answer
   x = 16,126.76