Finding the Fourth Proportional to 2,826.52, 3,898.06 and 1,830.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.52 : 3,898.06 = 1,830.80 : x
2. Step 2: Convert to fraction form
   2,826.52/3,898.06 = 1,830.80/x
3. Step 3: Cross multiply
   2,826.52x = 3,898.06 × 1,830.80
4. Step 4: Simplify right side
   2,826.52x = 7,136,568.25
5. Step 5: Solve for x
   x = 7,136,568.25/2,826.52
6. Step 6: Final answer
   x = 2,524.86