Finding the Fourth Proportional to 1,005,871.43, 1,388,139.06 and 576,234.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,871.43 : 1,388,139.06 = 576,234.59 : x
2. Step 2: Convert to fraction form
   1,005,871.43/1,388,139.06 = 576,234.59/x
3. Step 3: Cross multiply
   1,005,871.43x = 1,388,139.06 × 576,234.59
4. Step 4: Simplify right side
   1,005,871.43x = 799,893,735,161.39
5. Step 5: Solve for x
   x = 799,893,735,161.39/1,005,871.43
6. Step 6: Final answer
   x = 795,224.63