Finding the Fourth Proportional to 2,915.38, 4,024.72 and 1,976.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.38 : 4,024.72 = 1,976.14 : x
2. Step 2: Convert to fraction form
   2,915.38/4,024.72 = 1,976.14/x
3. Step 3: Cross multiply
   2,915.38x = 4,024.72 × 1,976.14
4. Step 4: Simplify right side
   2,915.38x = 7,953,410.18
5. Step 5: Solve for x
   x = 7,953,410.18/2,915.38
6. Step 6: Final answer
   x = 2,728.09