Finding the Fourth Proportional to 1,015,794.72, 1,401,812.55 and 556,951.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,794.72 : 1,401,812.55 = 556,951.23 : x
2. Step 2: Convert to fraction form
   1,015,794.72/1,401,812.55 = 556,951.23/x
3. Step 3: Cross multiply
   1,015,794.72x = 1,401,812.55 × 556,951.23
4. Step 4: Simplify right side
   1,015,794.72x = 780,741,223,951.94
5. Step 5: Solve for x
   x = 780,741,223,951.94/1,015,794.72
6. Step 6: Final answer
   x = 768,601.38