Finding the Fourth Proportional to 3,851.05, 5,312.56 and 2,434.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.05 : 5,312.56 = 2,434.06 : x
2. Step 2: Convert to fraction form
   3,851.05/5,312.56 = 2,434.06/x
3. Step 3: Cross multiply
   3,851.05x = 5,312.56 × 2,434.06
4. Step 4: Simplify right side
   3,851.05x = 12,931,089.79
5. Step 5: Solve for x
   x = 12,931,089.79/3,851.05
6. Step 6: Final answer
   x = 3,357.81