Finding the Fourth Proportional to 1,015,648.88, 1,401,595.65 and 562,939.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,648.88 : 1,401,595.65 = 562,939.88 : x
2. Step 2: Convert to fraction form
   1,015,648.88/1,401,595.65 = 562,939.88/x
3. Step 3: Cross multiply
   1,015,648.88x = 1,401,595.65 × 562,939.88
4. Step 4: Simplify right side
   1,015,648.88x = 789,014,080,011.54
5. Step 5: Solve for x
   x = 789,014,080,011.54/1,015,648.88
6. Step 6: Final answer
   x = 776,857.14