Finding the Fourth Proportional to 1,340.16, 1,847.52 and 1,008.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.16 : 1,847.52 = 1,008.96 : x
2. Step 2: Convert to fraction form
   1,340.16/1,847.52 = 1,008.96/x
3. Step 3: Cross multiply
   1,340.16x = 1,847.52 × 1,008.96
4. Step 4: Simplify right side
   1,340.16x = 1,864,073.78
5. Step 5: Solve for x
   x = 1,864,073.78/1,340.16
6. Step 6: Final answer
   x = 1,390.93