Finding the Fourth Proportional to 1,648.55, 2,482.50 and 1,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.55 : 2,482.50 = 1,189.50 : x
2. Step 2: Convert to fraction form
   1,648.55/2,482.50 = 1,189.50/x
3. Step 3: Cross multiply
   1,648.55x = 2,482.50 × 1,189.50
4. Step 4: Simplify right side
   1,648.55x = 2,952,933.75
5. Step 5: Solve for x
   x = 2,952,933.75/1,648.55
6. Step 6: Final answer
   x = 1,791.23