Finding the Fourth Proportional to 2,662,142.25, 3,991,615.04 and 1,221,020.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,142.25 : 3,991,615.04 = 1,221,020.42 : x
2. Step 2: Convert to fraction form
   2,662,142.25/3,991,615.04 = 1,221,020.42/x
3. Step 3: Cross multiply
   2,662,142.25x = 3,991,615.04 × 1,221,020.42
4. Step 4: Simplify right side
   2,662,142.25x = 4,873,843,485,650.71
5. Step 5: Solve for x
   x = 4,873,843,485,650.71/2,662,142.25
6. Step 6: Final answer
   x = 1,830,797.54