Finding the Fourth Proportional to 3,973.94, 5,488.02 and 2,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.94 : 5,488.02 = 2,577.50 : x
2. Step 2: Convert to fraction form
   3,973.94/5,488.02 = 2,577.50/x
3. Step 3: Cross multiply
   3,973.94x = 5,488.02 × 2,577.50
4. Step 4: Simplify right side
   3,973.94x = 14,145,371.55
5. Step 5: Solve for x
   x = 14,145,371.55/3,973.94
6. Step 6: Final answer
   x = 3,559.53