Finding the Fourth Proportional to 2,654.42, 3,981.06 and 1,010.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.42 : 3,981.06 = 1,010.39 : x
2. Step 2: Convert to fraction form
   2,654.42/3,981.06 = 1,010.39/x
3. Step 3: Cross multiply
   2,654.42x = 3,981.06 × 1,010.39
4. Step 4: Simplify right side
   2,654.42x = 4,022,403.31
5. Step 5: Solve for x
   x = 4,022,403.31/2,654.42
6. Step 6: Final answer
   x = 1,515.36