Finding the Fourth Proportional to 1,463.31, 2,189.72 and 1,365.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.31 : 2,189.72 = 1,365.55 : x
2. Step 2: Convert to fraction form
   1,463.31/2,189.72 = 1,365.55/x
3. Step 3: Cross multiply
   1,463.31x = 2,189.72 × 1,365.55
4. Step 4: Simplify right side
   1,463.31x = 2,990,172.15
5. Step 5: Solve for x
   x = 2,990,172.15/1,463.31
6. Step 6: Final answer
   x = 2,043.43