Finding the Fourth Proportional to 2,572,061.56, 3,857,304.40 and 1,778,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,061.56 : 3,857,304.40 = 1,778,443 : x
2. Step 2: Convert to fraction form
   2,572,061.56/3,857,304.40 = 1,778,443/x
3. Step 3: Cross multiply
   2,572,061.56x = 3,857,304.40 × 1,778,443
4. Step 4: Simplify right side
   2,572,061.56x = 6,859,996,009,049.20
5. Step 5: Solve for x
   x = 6,859,996,009,049.20/2,572,061.56
6. Step 6: Final answer
   x = 2,667,119.68