Finding the Fourth Proportional to 3,499.57, 5,244.67 and 2,570.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.57 : 5,244.67 = 2,570.77 : x
2. Step 2: Convert to fraction form
   3,499.57/5,244.67 = 2,570.77/x
3. Step 3: Cross multiply
   3,499.57x = 5,244.67 × 2,570.77
4. Step 4: Simplify right side
   3,499.57x = 13,482,840.30
5. Step 5: Solve for x
   x = 13,482,840.30/3,499.57
6. Step 6: Final answer
   x = 3,852.71