Finding the Fourth Proportional to 2,866.32, 4,298.76 and 917.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.32 : 4,298.76 = 917.46 : x
2. Step 2: Convert to fraction form
   2,866.32/4,298.76 = 917.46/x
3. Step 3: Cross multiply
   2,866.32x = 4,298.76 × 917.46
4. Step 4: Simplify right side
   2,866.32x = 3,943,940.35
5. Step 5: Solve for x
   x = 3,943,940.35/2,866.32
6. Step 6: Final answer
   x = 1,375.96