Finding the Fourth Proportional to 1,540.52, 2,126.71 and 1,069.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.52 : 2,126.71 = 1,069.23 : x
2. Step 2: Convert to fraction form
   1,540.52/2,126.71 = 1,069.23/x
3. Step 3: Cross multiply
   1,540.52x = 2,126.71 × 1,069.23
4. Step 4: Simplify right side
   1,540.52x = 2,273,936.79
5. Step 5: Solve for x
   x = 2,273,936.79/1,540.52
6. Step 6: Final answer
   x = 1,476.09