Finding the Fourth Proportional to 8,728.30, 12,041.15 and 5,818.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,728.30 : 12,041.15 = 5,818.53 : x
2. Step 2: Convert to fraction form
   8,728.30/12,041.15 = 5,818.53/x
3. Step 3: Cross multiply
   8,728.30x = 12,041.15 × 5,818.53
4. Step 4: Simplify right side
   8,728.30x = 70,061,792.51
5. Step 5: Solve for x
   x = 70,061,792.51/8,728.30
6. Step 6: Final answer
   x = 8,026.97