Finding the Fourth Proportional to 2,142,759.31, 2,957,043.77 and 1,175,979.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,759.31 : 2,957,043.77 = 1,175,979.55 : x
2. Step 2: Convert to fraction form
   2,142,759.31/2,957,043.77 = 1,175,979.55/x
3. Step 3: Cross multiply
   2,142,759.31x = 2,957,043.77 × 1,175,979.55
4. Step 4: Simplify right side
   2,142,759.31x = 3,477,423,001,974.90
5. Step 5: Solve for x
   x = 3,477,423,001,974.90/2,142,759.31
6. Step 6: Final answer
   x = 1,622,871.49