Finding the Fourth Proportional to 2,572.59, 3,872.94 and 1,756.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.59 : 3,872.94 = 1,756.05 : x
2. Step 2: Convert to fraction form
   2,572.59/3,872.94 = 1,756.05/x
3. Step 3: Cross multiply
   2,572.59x = 3,872.94 × 1,756.05
4. Step 4: Simplify right side
   2,572.59x = 6,801,076.29
5. Step 5: Solve for x
   x = 6,801,076.29/2,572.59
6. Step 6: Final answer
   x = 2,643.67