Finding the Fourth Proportional to 1,904.67, 2,851.47 and 1,540.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.67 : 2,851.47 = 1,540.17 : x
2. Step 2: Convert to fraction form
   1,904.67/2,851.47 = 1,540.17/x
3. Step 3: Cross multiply
   1,904.67x = 2,851.47 × 1,540.17
4. Step 4: Simplify right side
   1,904.67x = 4,391,748.55
5. Step 5: Solve for x
   x = 4,391,748.55/1,904.67
6. Step 6: Final answer
   x = 2,305.78