Finding the Fourth Proportional to 6,012.42, 8,302.82 and 5,685.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,012.42 : 8,302.82 = 5,685.18 : x
2. Step 2: Convert to fraction form
   6,012.42/8,302.82 = 5,685.18/x
3. Step 3: Cross multiply
   6,012.42x = 8,302.82 × 5,685.18
4. Step 4: Simplify right side
   6,012.42x = 47,203,026.21
5. Step 5: Solve for x
   x = 47,203,026.21/6,012.42
6. Step 6: Final answer
   x = 7,850.92