Finding the Fourth Proportional to 2,109.42, 3,171.06 and 1,497.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.42 : 3,171.06 = 1,497.51 : x
2. Step 2: Convert to fraction form
   2,109.42/3,171.06 = 1,497.51/x
3. Step 3: Cross multiply
   2,109.42x = 3,171.06 × 1,497.51
4. Step 4: Simplify right side
   2,109.42x = 4,748,694.06
5. Step 5: Solve for x
   x = 4,748,694.06/2,109.42
6. Step 6: Final answer
   x = 2,251.18