Finding the Fourth Proportional to 2,322.02, 3,480.56 and 1,088.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.02 : 3,480.56 = 1,088.40 : x
2. Step 2: Convert to fraction form
   2,322.02/3,480.56 = 1,088.40/x
3. Step 3: Cross multiply
   2,322.02x = 3,480.56 × 1,088.40
4. Step 4: Simplify right side
   2,322.02x = 3,788,241.50
5. Step 5: Solve for x
   x = 3,788,241.50/2,322.02
6. Step 6: Final answer
   x = 1,631.44