Finding the Fourth Proportional to 6,062.80, 8,364.72 and 5,382.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,062.80 : 8,364.72 = 5,382.40 : x
2. Step 2: Convert to fraction form
   6,062.80/8,364.72 = 5,382.40/x
3. Step 3: Cross multiply
   6,062.80x = 8,364.72 × 5,382.40
4. Step 4: Simplify right side
   6,062.80x = 45,022,268.93
5. Step 5: Solve for x
   x = 45,022,268.93/6,062.80
6. Step 6: Final answer
   x = 7,425.99