Finding the Fourth Proportional to 1,740.89, 2,400.23 and 1,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.89 : 2,400.23 = 1,488.78 : x
2. Step 2: Convert to fraction form
   1,740.89/2,400.23 = 1,488.78/x
3. Step 3: Cross multiply
   1,740.89x = 2,400.23 × 1,488.78
4. Step 4: Simplify right side
   1,740.89x = 3,573,418.14
5. Step 5: Solve for x
   x = 3,573,418.14/1,740.89
6. Step 6: Final answer
   x = 2,052.64