Finding the Fourth Proportional to 1,478,951.62, 2,218,554.42 and 519,324.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,951.62 : 2,218,554.42 = 519,324.72 : x
2. Step 2: Convert to fraction form
   1,478,951.62/2,218,554.42 = 519,324.72/x
3. Step 3: Cross multiply
   1,478,951.62x = 2,218,554.42 × 519,324.72
4. Step 4: Simplify right side
   1,478,951.62x = 1,152,150,152,971.26
5. Step 5: Solve for x
   x = 1,152,150,152,971.26/1,478,951.62
6. Step 6: Final answer
   x = 779,031.67