Finding the Fourth Proportional to 2,055,282.38, 3,076,781.28 and 1,243,209.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055,282.38 : 3,076,781.28 = 1,243,209.21 : x
2. Step 2: Convert to fraction form
   2,055,282.38/3,076,781.28 = 1,243,209.21/x
3. Step 3: Cross multiply
   2,055,282.38x = 3,076,781.28 × 1,243,209.21
4. Step 4: Simplify right side
   2,055,282.38x = 3,825,082,824,451.59
5. Step 5: Solve for x
   x = 3,825,082,824,451.59/2,055,282.38
6. Step 6: Final answer
   x = 1,861,098.44