Finding the Fourth Proportional to 5,151.16, 7,722.42 and 2,071.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151.16 : 7,722.42 = 2,071.48 : x
2. Step 2: Convert to fraction form
   5,151.16/7,722.42 = 2,071.48/x
3. Step 3: Cross multiply
   5,151.16x = 7,722.42 × 2,071.48
4. Step 4: Simplify right side
   5,151.16x = 15,996,838.58
5. Step 5: Solve for x
   x = 15,996,838.58/5,151.16
6. Step 6: Final answer
   x = 3,105.48