Finding the Fourth Proportional to 1,015,796.72, 1,401,815.31 and 556,953.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,796.72 : 1,401,815.31 = 556,953.23 : x
2. Step 2: Convert to fraction form
   1,015,796.72/1,401,815.31 = 556,953.23/x
3. Step 3: Cross multiply
   1,015,796.72x = 1,401,815.31 × 556,953.23
4. Step 4: Simplify right side
   1,015,796.72x = 780,745,564,767.95
5. Step 5: Solve for x
   x = 780,745,564,767.95/1,015,796.72
6. Step 6: Final answer
   x = 768,604.14