Finding the Fourth Proportional to 1,498.90, 2,068.49 and 835.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.90 : 2,068.49 = 835.80 : x
2. Step 2: Convert to fraction form
   1,498.90/2,068.49 = 835.80/x
3. Step 3: Cross multiply
   1,498.90x = 2,068.49 × 835.80
4. Step 4: Simplify right side
   1,498.90x = 1,728,840.91
5. Step 5: Solve for x
   x = 1,728,840.91/1,498.90
6. Step 6: Final answer
   x = 1,153.41