Finding the Fourth Proportional to 1,938.59, 2,675.61 and 1,152.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.59 : 2,675.61 = 1,152.70 : x
2. Step 2: Convert to fraction form
   1,938.59/2,675.61 = 1,152.70/x
3. Step 3: Cross multiply
   1,938.59x = 2,675.61 × 1,152.70
4. Step 4: Simplify right side
   1,938.59x = 3,084,175.65
5. Step 5: Solve for x
   x = 3,084,175.65/1,938.59
6. Step 6: Final answer
   x = 1,590.94