Finding the Fourth Proportional to 5,476.55, 8,214.72 and 3,717.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,476.55 : 8,214.72 = 3,717.18 : x
2. Step 2: Convert to fraction form
   5,476.55/8,214.72 = 3,717.18/x
3. Step 3: Cross multiply
   5,476.55x = 8,214.72 × 3,717.18
4. Step 4: Simplify right side
   5,476.55x = 30,535,592.89
5. Step 5: Solve for x
   x = 30,535,592.89/5,476.55
6. Step 6: Final answer
   x = 5,575.70