Finding the Fourth Proportional to 2,654.31, 3,981.46 and 1,010.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.31 : 3,981.46 = 1,010.47 : x
2. Step 2: Convert to fraction form
   2,654.31/3,981.46 = 1,010.47/x
3. Step 3: Cross multiply
   2,654.31x = 3,981.46 × 1,010.47
4. Step 4: Simplify right side
   2,654.31x = 4,023,145.89
5. Step 5: Solve for x
   x = 4,023,145.89/2,654.31
6. Step 6: Final answer
   x = 1,515.70