Finding the Fourth Proportional to 5,545.63, 8,274.81 and 5,357.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,545.63 : 8,274.81 = 5,357.71 : x
2. Step 2: Convert to fraction form
   5,545.63/8,274.81 = 5,357.71/x
3. Step 3: Cross multiply
   5,545.63x = 8,274.81 × 5,357.71
4. Step 4: Simplify right side
   5,545.63x = 44,334,032.29
5. Step 5: Solve for x
   x = 44,334,032.29/5,545.63
6. Step 6: Final answer
   x = 7,994.41