Finding the Fourth Proportional to 1,488.62, 2,049.62 and 1,264.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.62 : 2,049.62 = 1,264.09 : x
2. Step 2: Convert to fraction form
   1,488.62/2,049.62 = 1,264.09/x
3. Step 3: Cross multiply
   1,488.62x = 2,049.62 × 1,264.09
4. Step 4: Simplify right side
   1,488.62x = 2,590,892.70
5. Step 5: Solve for x
   x = 2,590,892.70/1,488.62
6. Step 6: Final answer
   x = 1,740.47