Finding the Fourth Proportional to 31,820.07, 47,730.15 and 10,760.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,820.07 : 47,730.15 = 10,760.16 : x
2. Step 2: Convert to fraction form
   31,820.07/47,730.15 = 10,760.16/x
3. Step 3: Cross multiply
   31,820.07x = 47,730.15 × 10,760.16
4. Step 4: Simplify right side
   31,820.07x = 513,584,050.82
5. Step 5: Solve for x
   x = 513,584,050.82/31,820.07
6. Step 6: Final answer
   x = 16,140.26