Finding the Fourth Proportional to 2,298.42, 3,447.18 and 911.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.42 : 3,447.18 = 911.34 : x
2. Step 2: Convert to fraction form
   2,298.42/3,447.18 = 911.34/x
3. Step 3: Cross multiply
   2,298.42x = 3,447.18 × 911.34
4. Step 4: Simplify right side
   2,298.42x = 3,141,553.02
5. Step 5: Solve for x
   x = 3,141,553.02/2,298.42
6. Step 6: Final answer
   x = 1,366.83