Finding the Fourth Proportional to 1,606.28, 2,213.60 and 1,108.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.28 : 2,213.60 = 1,108.01 : x
2. Step 2: Convert to fraction form
   1,606.28/2,213.60 = 1,108.01/x
3. Step 3: Cross multiply
   1,606.28x = 2,213.60 × 1,108.01
4. Step 4: Simplify right side
   1,606.28x = 2,452,674.33
5. Step 5: Solve for x
   x = 2,452,674.33/1,606.28
6. Step 6: Final answer
   x = 1,526.93