Finding the Fourth Proportional to 3,425.50, 5,139.06 and 1,117

Step by Step Solution

1. Step 1: Write the proportion equation
   3,425.50 : 5,139.06 = 1,117 : x
2. Step 2: Convert to fraction form
   3,425.50/5,139.06 = 1,117/x
3. Step 3: Cross multiply
   3,425.50x = 5,139.06 × 1,117
4. Step 4: Simplify right side
   3,425.50x = 5,740,330.02
5. Step 5: Solve for x
   x = 5,740,330.02/3,425.50
6. Step 6: Final answer
   x = 1,675.76