Finding the Fourth Proportional to 3,643.56, 5,025.38 and 2,526.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.56 : 5,025.38 = 2,526.37 : x
2. Step 2: Convert to fraction form
   3,643.56/5,025.38 = 2,526.37/x
3. Step 3: Cross multiply
   3,643.56x = 5,025.38 × 2,526.37
4. Step 4: Simplify right side
   3,643.56x = 12,695,969.27
5. Step 5: Solve for x
   x = 12,695,969.27/3,643.56
6. Step 6: Final answer
   x = 3,484.50