Finding the Fourth Proportional to 1,615,443.52, 2,229,417.20 and 927,338.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,443.52 : 2,229,417.20 = 927,338.09 : x
2. Step 2: Convert to fraction form
   1,615,443.52/2,229,417.20 = 927,338.09/x
3. Step 3: Cross multiply
   1,615,443.52x = 2,229,417.20 × 927,338.09
4. Step 4: Simplify right side
   1,615,443.52x = 2,067,423,488,061.15
5. Step 5: Solve for x
   x = 2,067,423,488,061.15/1,615,443.52
6. Step 6: Final answer
   x = 1,279,786.92