Finding the Fourth Proportional to 2,875.82, 4,313.82 and 928.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.82 : 4,313.82 = 928.22 : x
2. Step 2: Convert to fraction form
   2,875.82/4,313.82 = 928.22/x
3. Step 3: Cross multiply
   2,875.82x = 4,313.82 × 928.22
4. Step 4: Simplify right side
   2,875.82x = 4,004,174.00
5. Step 5: Solve for x
   x = 4,004,174.00/2,875.82
6. Step 6: Final answer
   x = 1,392.36