Finding the Fourth Proportional to 3,417.61, 5,126.40 and 1,077.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,417.61 : 5,126.40 = 1,077.83 : x
2. Step 2: Convert to fraction form
   3,417.61/5,126.40 = 1,077.83/x
3. Step 3: Cross multiply
   3,417.61x = 5,126.40 × 1,077.83
4. Step 4: Simplify right side
   3,417.61x = 5,525,387.71
5. Step 5: Solve for x
   x = 5,525,387.71/3,417.61
6. Step 6: Final answer
   x = 1,616.74