Finding the Fourth Proportional to 2,785.91, 4,180.59 and 2,526.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.91 : 4,180.59 = 2,526.38 : x
2. Step 2: Convert to fraction form
   2,785.91/4,180.59 = 2,526.38/x
3. Step 3: Cross multiply
   2,785.91x = 4,180.59 × 2,526.38
4. Step 4: Simplify right side
   2,785.91x = 10,561,758.96
5. Step 5: Solve for x
   x = 10,561,758.96/2,785.91
6. Step 6: Final answer
   x = 3,791.13