Finding the Fourth Proportional to 2,142,574.91, 2,956,745.25 and 1,175,721.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,574.91 : 2,956,745.25 = 1,175,721.38 : x
2. Step 2: Convert to fraction form
   2,142,574.91/2,956,745.25 = 1,175,721.38/x
3. Step 3: Cross multiply
   2,142,574.91x = 2,956,745.25 × 1,175,721.38
4. Step 4: Simplify right side
   2,142,574.91x = 3,476,308,605,638.45
5. Step 5: Solve for x
   x = 3,476,308,605,638.45/2,142,574.91
6. Step 6: Final answer
   x = 1,622,491.05