Finding the Fourth Proportional to 2,785.12, 3,843.46 and 1,526.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.12 : 3,843.46 = 1,526.20 : x
2. Step 2: Convert to fraction form
   2,785.12/3,843.46 = 1,526.20/x
3. Step 3: Cross multiply
   2,785.12x = 3,843.46 × 1,526.20
4. Step 4: Simplify right side
   2,785.12x = 5,865,888.65
5. Step 5: Solve for x
   x = 5,865,888.65/2,785.12
6. Step 6: Final answer
   x = 2,106.15