Finding the Fourth Proportional to 5,072.16, 7,608.28 and 1,374.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072.16 : 7,608.28 = 1,374.42 : x
2. Step 2: Convert to fraction form
   5,072.16/7,608.28 = 1,374.42/x
3. Step 3: Cross multiply
   5,072.16x = 7,608.28 × 1,374.42
4. Step 4: Simplify right side
   5,072.16x = 10,456,972.20
5. Step 5: Solve for x
   x = 10,456,972.20/5,072.16
6. Step 6: Final answer
   x = 2,061.64