Finding the Fourth Proportional to 2,880.50, 3,974.07 and 1,886.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880.50 : 3,974.07 = 1,886.33 : x
2. Step 2: Convert to fraction form
   2,880.50/3,974.07 = 1,886.33/x
3. Step 3: Cross multiply
   2,880.50x = 3,974.07 × 1,886.33
4. Step 4: Simplify right side
   2,880.50x = 7,496,387.59
5. Step 5: Solve for x
   x = 7,496,387.59/2,880.50
6. Step 6: Final answer
   x = 2,602.46