Finding the Fourth Proportional to 2,784.51, 3,842.57 and 1,525.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.51 : 3,842.57 = 1,525.57 : x
2. Step 2: Convert to fraction form
   2,784.51/3,842.57 = 1,525.57/x
3. Step 3: Cross multiply
   2,784.51x = 3,842.57 × 1,525.57
4. Step 4: Simplify right side
   2,784.51x = 5,862,103.72
5. Step 5: Solve for x
   x = 5,862,103.72/2,784.51
6. Step 6: Final answer
   x = 2,105.26