Finding the Fourth Proportional to 2,784.87, 3,843.17 and 1,525.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.87 : 3,843.17 = 1,525.91 : x
2. Step 2: Convert to fraction form
   2,784.87/3,843.17 = 1,525.91/x
3. Step 3: Cross multiply
   2,784.87x = 3,843.17 × 1,525.91
4. Step 4: Simplify right side
   2,784.87x = 5,864,312.32
5. Step 5: Solve for x
   x = 5,864,312.32/2,784.87
6. Step 6: Final answer
   x = 2,105.78