Finding the Fourth Proportional to 5,116.29, 7,060.88 and 2,878.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116.29 : 7,060.88 = 2,878.03 : x
2. Step 2: Convert to fraction form
   5,116.29/7,060.88 = 2,878.03/x
3. Step 3: Cross multiply
   5,116.29x = 7,060.88 × 2,878.03
4. Step 4: Simplify right side
   5,116.29x = 20,321,414.01
5. Step 5: Solve for x
   x = 20,321,414.01/5,116.29
6. Step 6: Final answer
   x = 3,971.91