Finding the Fourth Proportional to 1,739.48, 2,621.75 and 1,498.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,739.48 : 2,621.75 = 1,498.91 : x
2. Step 2: Convert to fraction form
   1,739.48/2,621.75 = 1,498.91/x
3. Step 3: Cross multiply
   1,739.48x = 2,621.75 × 1,498.91
4. Step 4: Simplify right side
   1,739.48x = 3,929,746.69
5. Step 5: Solve for x
   x = 3,929,746.69/1,739.48
6. Step 6: Final answer
   x = 2,259.16