Finding the Fourth Proportional to 2,976.73, 4,106.01 and 1,915.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.73 : 4,106.01 = 1,915.87 : x
2. Step 2: Convert to fraction form
   2,976.73/4,106.01 = 1,915.87/x
3. Step 3: Cross multiply
   2,976.73x = 4,106.01 × 1,915.87
4. Step 4: Simplify right side
   2,976.73x = 7,866,581.38
5. Step 5: Solve for x
   x = 7,866,581.38/2,976.73
6. Step 6: Final answer
   x = 2,642.69