Finding the Fourth Proportional to 2,551.34, 3,519.78 and 1,488.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.34 : 3,519.78 = 1,488.92 : x
2. Step 2: Convert to fraction form
   2,551.34/3,519.78 = 1,488.92/x
3. Step 3: Cross multiply
   2,551.34x = 3,519.78 × 1,488.92
4. Step 4: Simplify right side
   2,551.34x = 5,240,670.84
5. Step 5: Solve for x
   x = 5,240,670.84/2,551.34
6. Step 6: Final answer
   x = 2,054.09