Finding the Fourth Proportional to 1,627.31, 2,441.42 and 654.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.31 : 2,441.42 = 654.10 : x
2. Step 2: Convert to fraction form
   1,627.31/2,441.42 = 654.10/x
3. Step 3: Cross multiply
   1,627.31x = 2,441.42 × 654.10
4. Step 4: Simplify right side
   1,627.31x = 1,596,932.82
5. Step 5: Solve for x
   x = 1,596,932.82/1,627.31
6. Step 6: Final answer
   x = 981.33