Finding the Fourth Proportional to 5,762.10, 8,623.71 and 4,790.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,762.10 : 8,623.71 = 4,790.10 : x
2. Step 2: Convert to fraction form
   5,762.10/8,623.71 = 4,790.10/x
3. Step 3: Cross multiply
   5,762.10x = 8,623.71 × 4,790.10
4. Step 4: Simplify right side
   5,762.10x = 41,308,433.27
5. Step 5: Solve for x
   x = 41,308,433.27/5,762.10
6. Step 6: Final answer
   x = 7,168.99