Finding the Fourth Proportional to 31,200.89, 46,805.73 and 10,134.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.89 : 46,805.73 = 10,134.18 : x
2. Step 2: Convert to fraction form
   31,200.89/46,805.73 = 10,134.18/x
3. Step 3: Cross multiply
   31,200.89x = 46,805.73 × 10,134.18
4. Step 4: Simplify right side
   31,200.89x = 474,337,789.21
5. Step 5: Solve for x
   x = 474,337,789.21/31,200.89
6. Step 6: Final answer
   x = 15,202.70