Finding the Fourth Proportional to 2,614.16, 3,918.72 and 881.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.16 : 3,918.72 = 881.84 : x
2. Step 2: Convert to fraction form
   2,614.16/3,918.72 = 881.84/x
3. Step 3: Cross multiply
   2,614.16x = 3,918.72 × 881.84
4. Step 4: Simplify right side
   2,614.16x = 3,455,684.04
5. Step 5: Solve for x
   x = 3,455,684.04/2,614.16
6. Step 6: Final answer
   x = 1,321.91