Finding the Fourth Proportional to 5,477.37, 8,215.98 and 3,718.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,477.37 : 8,215.98 = 3,718.02 : x
2. Step 2: Convert to fraction form
   5,477.37/8,215.98 = 3,718.02/x
3. Step 3: Cross multiply
   5,477.37x = 8,215.98 × 3,718.02
4. Step 4: Simplify right side
   5,477.37x = 30,547,177.96
5. Step 5: Solve for x
   x = 30,547,177.96/5,477.37
6. Step 6: Final answer
   x = 5,576.98