Finding the Fourth Proportional to 2,142,573.91, 2,956,743.87 and 1,175,720.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,573.91 : 2,956,743.87 = 1,175,720.38 : x
2. Step 2: Convert to fraction form
   2,142,573.91/2,956,743.87 = 1,175,720.38/x
3. Step 3: Cross multiply
   2,142,573.91x = 2,956,743.87 × 1,175,720.38
4. Step 4: Simplify right side
   2,142,573.91x = 3,476,304,026,399.07
5. Step 5: Solve for x
   x = 3,476,304,026,399.07/2,142,573.91
6. Step 6: Final answer
   x = 1,622,489.67