Finding the Fourth Proportional to 3,139.50, 4,705.56 and 1,752.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139.50 : 4,705.56 = 1,752.15 : x
2. Step 2: Convert to fraction form
   3,139.50/4,705.56 = 1,752.15/x
3. Step 3: Cross multiply
   3,139.50x = 4,705.56 × 1,752.15
4. Step 4: Simplify right side
   3,139.50x = 8,244,846.95
5. Step 5: Solve for x
   x = 8,244,846.95/3,139.50
6. Step 6: Final answer
   x = 2,626.17