Finding the Fourth Proportional to 2,381.02, 3,568.88 and 918.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.02 : 3,568.88 = 918.96 : x
2. Step 2: Convert to fraction form
   2,381.02/3,568.88 = 918.96/x
3. Step 3: Cross multiply
   2,381.02x = 3,568.88 × 918.96
4. Step 4: Simplify right side
   2,381.02x = 3,279,657.96
5. Step 5: Solve for x
   x = 3,279,657.96/2,381.02
6. Step 6: Final answer
   x = 1,377.42