Finding the Fourth Proportional to 2,200.08, 3,300.84 and 902.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.08 : 3,300.84 = 902.16 : x
2. Step 2: Convert to fraction form
   2,200.08/3,300.84 = 902.16/x
3. Step 3: Cross multiply
   2,200.08x = 3,300.84 × 902.16
4. Step 4: Simplify right side
   2,200.08x = 2,977,885.81
5. Step 5: Solve for x
   x = 2,977,885.81/2,200.08
6. Step 6: Final answer
   x = 1,353.54