Finding the Fourth Proportional to 1,048.55, 1,447.17 and 655.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,048.55 : 1,447.17 = 655.59 : x
2. Step 2: Convert to fraction form
   1,048.55/1,447.17 = 655.59/x
3. Step 3: Cross multiply
   1,048.55x = 1,447.17 × 655.59
4. Step 4: Simplify right side
   1,048.55x = 948,753.15
5. Step 5: Solve for x
   x = 948,753.15/1,048.55
6. Step 6: Final answer
   x = 904.83