Finding the Fourth Proportional to 2,784.67, 3,842.78 and 1,525.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.67 : 3,842.78 = 1,525.70 : x
2. Step 2: Convert to fraction form
   2,784.67/3,842.78 = 1,525.70/x
3. Step 3: Cross multiply
   2,784.67x = 3,842.78 × 1,525.70
4. Step 4: Simplify right side
   2,784.67x = 5,862,921.65
5. Step 5: Solve for x
   x = 5,862,921.65/2,784.67
6. Step 6: Final answer
   x = 2,105.43