Finding the Fourth Proportional to 5,417.55, 8,124.30 and 3,769.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,417.55 : 8,124.30 = 3,769.20 : x
2. Step 2: Convert to fraction form
   5,417.55/8,124.30 = 3,769.20/x
3. Step 3: Cross multiply
   5,417.55x = 8,124.30 × 3,769.20
4. Step 4: Simplify right side
   5,417.55x = 30,622,111.56
5. Step 5: Solve for x
   x = 30,622,111.56/5,417.55
6. Step 6: Final answer
   x = 5,652.39