Finding the Fourth Proportional to 1,442,086.05, 2,163,126.34 and 543,729.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,086.05 : 2,163,126.34 = 543,729.31 : x
2. Step 2: Convert to fraction form
   1,442,086.05/2,163,126.34 = 543,729.31/x
3. Step 3: Cross multiply
   1,442,086.05x = 2,163,126.34 × 543,729.31
4. Step 4: Simplify right side
   1,442,086.05x = 1,176,155,192,291.03
5. Step 5: Solve for x
   x = 1,176,155,192,291.03/1,442,086.05
6. Step 6: Final answer
   x = 815,592.93