Finding the Fourth Proportional to 2,094.72, 3,140.64 and 1,069.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.72 : 3,140.64 = 1,069.44 : x
2. Step 2: Convert to fraction form
   2,094.72/3,140.64 = 1,069.44/x
3. Step 3: Cross multiply
   2,094.72x = 3,140.64 × 1,069.44
4. Step 4: Simplify right side
   2,094.72x = 3,358,726.04
5. Step 5: Solve for x
   x = 3,358,726.04/2,094.72
6. Step 6: Final answer
   x = 1,603.42