Finding the Fourth Proportional to 31,061.96, 46,591.86 and 10,285.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.96 : 46,591.86 = 10,285.28 : x
2. Step 2: Convert to fraction form
   31,061.96/46,591.86 = 10,285.28/x
3. Step 3: Cross multiply
   31,061.96x = 46,591.86 × 10,285.28
4. Step 4: Simplify right side
   31,061.96x = 479,210,325.82
5. Step 5: Solve for x
   x = 479,210,325.82/31,061.96
6. Step 6: Final answer
   x = 15,427.56