Finding the Fourth Proportional to 5,406.72, 8,098.82 and 4,749.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,406.72 : 8,098.82 = 4,749.40 : x
2. Step 2: Convert to fraction form
   5,406.72/8,098.82 = 4,749.40/x
3. Step 3: Cross multiply
   5,406.72x = 8,098.82 × 4,749.40
4. Step 4: Simplify right side
   5,406.72x = 38,464,535.71
5. Step 5: Solve for x
   x = 38,464,535.71/5,406.72
6. Step 6: Final answer
   x = 7,114.21