Finding the Fourth Proportional to 2,526.57, 3,786.39 and 1,291.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.57 : 3,786.39 = 1,291.37 : x
2. Step 2: Convert to fraction form
   2,526.57/3,786.39 = 1,291.37/x
3. Step 3: Cross multiply
   2,526.57x = 3,786.39 × 1,291.37
4. Step 4: Simplify right side
   2,526.57x = 4,889,611.52
5. Step 5: Solve for x
   x = 4,889,611.52/2,526.57
6. Step 6: Final answer
   x = 1,935.28