Finding the Fourth Proportional to 2,523.16, 3,781.94 and 1,904.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.16 : 3,781.94 = 1,904.86 : x
2. Step 2: Convert to fraction form
   2,523.16/3,781.94 = 1,904.86/x
3. Step 3: Cross multiply
   2,523.16x = 3,781.94 × 1,904.86
4. Step 4: Simplify right side
   2,523.16x = 7,204,066.23
5. Step 5: Solve for x
   x = 7,204,066.23/2,523.16
6. Step 6: Final answer
   x = 2,855.18