Finding the Fourth Proportional to 2,887.96, 4,331.49 and 940.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,887.96 : 4,331.49 = 940.15 : x
2. Step 2: Convert to fraction form
   2,887.96/4,331.49 = 940.15/x
3. Step 3: Cross multiply
   2,887.96x = 4,331.49 × 940.15
4. Step 4: Simplify right side
   2,887.96x = 4,072,250.32
5. Step 5: Solve for x
   x = 4,072,250.32/2,887.96
6. Step 6: Final answer
   x = 1,410.08