Finding the Fourth Proportional to 5,626.96, 7,762.80 and 3,637.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,626.96 : 7,762.80 = 3,637.72 : x
2. Step 2: Convert to fraction form
   5,626.96/7,762.80 = 3,637.72/x
3. Step 3: Cross multiply
   5,626.96x = 7,762.80 × 3,637.72
4. Step 4: Simplify right side
   5,626.96x = 28,238,892.82
5. Step 5: Solve for x
   x = 28,238,892.82/5,626.96
6. Step 6: Final answer
   x = 5,018.50