Finding the Fourth Proportional to 6,000.78, 8,280.72 and 3,482.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,000.78 : 8,280.72 = 3,482.70 : x
2. Step 2: Convert to fraction form
   6,000.78/8,280.72 = 3,482.70/x
3. Step 3: Cross multiply
   6,000.78x = 8,280.72 × 3,482.70
4. Step 4: Simplify right side
   6,000.78x = 28,839,263.54
5. Step 5: Solve for x
   x = 28,839,263.54/6,000.78
6. Step 6: Final answer
   x = 4,805.92