Finding the Fourth Proportional to 1,426,627.62, 2,138,601.83 and 479,335.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,627.62 : 2,138,601.83 = 479,335.86 : x
2. Step 2: Convert to fraction form
   1,426,627.62/2,138,601.83 = 479,335.86/x
3. Step 3: Cross multiply
   1,426,627.62x = 2,138,601.83 × 479,335.86
4. Step 4: Simplify right side
   1,426,627.62x = 1,025,108,544,983.94
5. Step 5: Solve for x
   x = 1,025,108,544,983.94/1,426,627.62
6. Step 6: Final answer
   x = 718,553.69