Finding the Fourth Proportional to 5,483.59, 8,228.52 and 2,320.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,483.59 : 8,228.52 = 2,320.78 : x
2. Step 2: Convert to fraction form
   5,483.59/8,228.52 = 2,320.78/x
3. Step 3: Cross multiply
   5,483.59x = 8,228.52 × 2,320.78
4. Step 4: Simplify right side
   5,483.59x = 19,096,584.65
5. Step 5: Solve for x
   x = 19,096,584.65/5,483.59
6. Step 6: Final answer
   x = 3,482.50