Finding the Fourth Proportional to 3,617.69, 5,426.72 and 1,020.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617.69 : 5,426.72 = 1,020.83 : x
2. Step 2: Convert to fraction form
   3,617.69/5,426.72 = 1,020.83/x
3. Step 3: Cross multiply
   3,617.69x = 5,426.72 × 1,020.83
4. Step 4: Simplify right side
   3,617.69x = 5,539,726.34
5. Step 5: Solve for x
   x = 5,539,726.34/3,617.69
6. Step 6: Final answer
   x = 1,531.29