Finding the Fourth Proportional to 2,426.05, 3,638.98 and 1,109.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.05 : 3,638.98 = 1,109.04 : x
2. Step 2: Convert to fraction form
   2,426.05/3,638.98 = 1,109.04/x
3. Step 3: Cross multiply
   2,426.05x = 3,638.98 × 1,109.04
4. Step 4: Simplify right side
   2,426.05x = 4,035,776.35
5. Step 5: Solve for x
   x = 4,035,776.35/2,426.05
6. Step 6: Final answer
   x = 1,663.52