Finding the Fourth Proportional to 2,902.01, 4,003.07 and 1,854.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.01 : 4,003.07 = 1,854.09 : x
2. Step 2: Convert to fraction form
   2,902.01/4,003.07 = 1,854.09/x
3. Step 3: Cross multiply
   2,902.01x = 4,003.07 × 1,854.09
4. Step 4: Simplify right side
   2,902.01x = 7,422,042.79
5. Step 5: Solve for x
   x = 7,422,042.79/2,902.01
6. Step 6: Final answer
   x = 2,557.56