Finding the Fourth Proportional to 2,149.47, 3,222.58 and 1,109.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.47 : 3,222.58 = 1,109.02 : x
2. Step 2: Convert to fraction form
   2,149.47/3,222.58 = 1,109.02/x
3. Step 3: Cross multiply
   2,149.47x = 3,222.58 × 1,109.02
4. Step 4: Simplify right side
   2,149.47x = 3,573,905.67
5. Step 5: Solve for x
   x = 3,573,905.67/2,149.47
6. Step 6: Final answer
   x = 1,662.69