Finding the Fourth Proportional to 2,200.86, 3,301.47 and 902.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.86 : 3,301.47 = 902.34 : x
2. Step 2: Convert to fraction form
   2,200.86/3,301.47 = 902.34/x
3. Step 3: Cross multiply
   2,200.86x = 3,301.47 × 902.34
4. Step 4: Simplify right side
   2,200.86x = 2,979,048.44
5. Step 5: Solve for x
   x = 2,979,048.44/2,200.86
6. Step 6: Final answer
   x = 1,353.58