Finding the Fourth Proportional to 5,856.57, 8,747.40 and 5,300.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,856.57 : 8,747.40 = 5,300.43 : x
2. Step 2: Convert to fraction form
   5,856.57/8,747.40 = 5,300.43/x
3. Step 3: Cross multiply
   5,856.57x = 8,747.40 × 5,300.43
4. Step 4: Simplify right side
   5,856.57x = 46,364,981.38
5. Step 5: Solve for x
   x = 46,364,981.38/5,856.57
6. Step 6: Final answer
   x = 7,916.75