Finding the Fourth Proportional to 1,034.02, 1,426.78 and 635.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.02 : 1,426.78 = 635.55 : x
2. Step 2: Convert to fraction form
   1,034.02/1,426.78 = 635.55/x
3. Step 3: Cross multiply
   1,034.02x = 1,426.78 × 635.55
4. Step 4: Simplify right side
   1,034.02x = 906,796.17
5. Step 5: Solve for x
   x = 906,796.17/1,034.02
6. Step 6: Final answer
   x = 876.96