Finding the Fourth Proportional to 2,491.88, 3,438.79 and 1,498.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491.88 : 3,438.79 = 1,498.01 : x
2. Step 2: Convert to fraction form
   2,491.88/3,438.79 = 1,498.01/x
3. Step 3: Cross multiply
   2,491.88x = 3,438.79 × 1,498.01
4. Step 4: Simplify right side
   2,491.88x = 5,151,320.87
5. Step 5: Solve for x
   x = 5,151,320.87/2,491.88
6. Step 6: Final answer
   x = 2,067.25