Finding the Fourth Proportional to 5,818.62, 8,662.13 and 5,784.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,818.62 : 8,662.13 = 5,784.03 : x
2. Step 2: Convert to fraction form
   5,818.62/8,662.13 = 5,784.03/x
3. Step 3: Cross multiply
   5,818.62x = 8,662.13 × 5,784.03
4. Step 4: Simplify right side
   5,818.62x = 50,102,019.78
5. Step 5: Solve for x
   x = 50,102,019.78/5,818.62
6. Step 6: Final answer
   x = 8,610.64