Finding the Fourth Proportional to 2,525.16, 3,784.94 and 1,906.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.16 : 3,784.94 = 1,906.86 : x
2. Step 2: Convert to fraction form
   2,525.16/3,784.94 = 1,906.86/x
3. Step 3: Cross multiply
   2,525.16x = 3,784.94 × 1,906.86
4. Step 4: Simplify right side
   2,525.16x = 7,217,350.69
5. Step 5: Solve for x
   x = 7,217,350.69/2,525.16
6. Step 6: Final answer
   x = 2,858.18