Finding the Fourth Proportional to 31,422.18, 47,127.91 and 10,362.45

Step by Step Solution

1. Step 1: Write the proportion equation
   31,422.18 : 47,127.91 = 10,362.45 : x
2. Step 2: Convert to fraction form
   31,422.18/47,127.91 = 10,362.45/x
3. Step 3: Cross multiply
   31,422.18x = 47,127.91 × 10,362.45
4. Step 4: Simplify right side
   31,422.18x = 488,360,610.98
5. Step 5: Solve for x
   x = 488,360,610.98/31,422.18
6. Step 6: Final answer
   x = 15,541.91