Finding the Fourth Proportional to 2,935.72, 4,045.98 and 2,851.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,935.72 : 4,045.98 = 2,851.48 : x
2. Step 2: Convert to fraction form
   2,935.72/4,045.98 = 2,851.48/x
3. Step 3: Cross multiply
   2,935.72x = 4,045.98 × 2,851.48
4. Step 4: Simplify right side
   2,935.72x = 11,537,031.05
5. Step 5: Solve for x
   x = 11,537,031.05/2,935.72
6. Step 6: Final answer
   x = 3,929.88