Finding the Fourth Proportional to 927,443.52, 1,279,920 and 519,521.52

Step by Step Solution

1. Step 1: Write the proportion equation
   927,443.52 : 1,279,920 = 519,521.52 : x
2. Step 2: Convert to fraction form
   927,443.52/1,279,920 = 519,521.52/x
3. Step 3: Cross multiply
   927,443.52x = 1,279,920 × 519,521.52
4. Step 4: Simplify right side
   927,443.52x = 664,945,983,878.40
5. Step 5: Solve for x
   x = 664,945,983,878.40/927,443.52
6. Step 6: Final answer
   x = 716,966.55