Finding the Fourth Proportional to 1,550.50, 2,323.31 and 1,318.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.50 : 2,323.31 = 1,318.43 : x
2. Step 2: Convert to fraction form
   1,550.50/2,323.31 = 1,318.43/x
3. Step 3: Cross multiply
   1,550.50x = 2,323.31 × 1,318.43
4. Step 4: Simplify right side
   1,550.50x = 3,063,126.35
5. Step 5: Solve for x
   x = 3,063,126.35/1,550.50
6. Step 6: Final answer
   x = 1,975.58