Finding the Fourth Proportional to 5,167.79, 7,734.71 and 3,663.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,167.79 : 7,734.71 = 3,663.92 : x
2. Step 2: Convert to fraction form
   5,167.79/7,734.71 = 3,663.92/x
3. Step 3: Cross multiply
   5,167.79x = 7,734.71 × 3,663.92
4. Step 4: Simplify right side
   5,167.79x = 28,339,301.67
5. Step 5: Solve for x
   x = 28,339,301.67/5,167.79
6. Step 6: Final answer
   x = 5,483.84