Finding the Fourth Proportional to 2,054.43, 3,066.71 and 1,902.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.43 : 3,066.71 = 1,902.15 : x
2. Step 2: Convert to fraction form
   2,054.43/3,066.71 = 1,902.15/x
3. Step 3: Cross multiply
   2,054.43x = 3,066.71 × 1,902.15
4. Step 4: Simplify right side
   2,054.43x = 5,833,332.92
5. Step 5: Solve for x
   x = 5,833,332.92/2,054.43
6. Step 6: Final answer
   x = 2,839.39