Finding the Fourth Proportional to 6,870.42, 10,287.18 and 5,652.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.42 : 10,287.18 = 5,652.54 : x
2. Step 2: Convert to fraction form
   6,870.42/10,287.18 = 5,652.54/x
3. Step 3: Cross multiply
   6,870.42x = 10,287.18 × 5,652.54
4. Step 4: Simplify right side
   6,870.42x = 58,148,696.44
5. Step 5: Solve for x
   x = 58,148,696.44/6,870.42
6. Step 6: Final answer
   x = 8,463.63