Finding the Fourth Proportional to 2,279,564.85, 3,419,351.52 and 931,726.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,564.85 : 3,419,351.52 = 931,726.47 : x
2. Step 2: Convert to fraction form
   2,279,564.85/3,419,351.52 = 931,726.47/x
3. Step 3: Cross multiply
   2,279,564.85x = 3,419,351.52 × 931,726.47
4. Step 4: Simplify right side
   2,279,564.85x = 3,185,900,321,418.73
5. Step 5: Solve for x
   x = 3,185,900,321,418.73/2,279,564.85
6. Step 6: Final answer
   x = 1,397,591.44