Finding the Fourth Proportional to 3,851.31, 5,316.12 and 2,965.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.31 : 5,316.12 = 2,965.98 : x
2. Step 2: Convert to fraction form
   3,851.31/5,316.12 = 2,965.98/x
3. Step 3: Cross multiply
   3,851.31x = 5,316.12 × 2,965.98
4. Step 4: Simplify right side
   3,851.31x = 15,767,505.60
5. Step 5: Solve for x
   x = 15,767,505.60/3,851.31
6. Step 6: Final answer
   x = 4,094.06