Finding the Fourth Proportional to 31,061.50, 46,599.54 and 10,285

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.50 : 46,599.54 = 10,285 : x
2. Step 2: Convert to fraction form
   31,061.50/46,599.54 = 10,285/x
3. Step 3: Cross multiply
   31,061.50x = 46,599.54 × 10,285
4. Step 4: Simplify right side
   31,061.50x = 479,276,268.90
5. Step 5: Solve for x
   x = 479,276,268.90/31,061.50
6. Step 6: Final answer
   x = 15,429.91