Finding the Fourth Proportional to 1,463.59, 2,184.78 and 1,355.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.59 : 2,184.78 = 1,355.20 : x
2. Step 2: Convert to fraction form
   1,463.59/2,184.78 = 1,355.20/x
3. Step 3: Cross multiply
   1,463.59x = 2,184.78 × 1,355.20
4. Step 4: Simplify right side
   1,463.59x = 2,960,813.86
5. Step 5: Solve for x
   x = 2,960,813.86/1,463.59
6. Step 6: Final answer
   x = 2,022.98