Finding the Fourth Proportional to 1,015,796.56, 1,401,789.82 and 556,936.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,796.56 : 1,401,789.82 = 556,936.64 : x
2. Step 2: Convert to fraction form
   1,015,796.56/1,401,789.82 = 556,936.64/x
3. Step 3: Cross multiply
   1,015,796.56x = 1,401,789.82 × 556,936.64
4. Step 4: Simplify right side
   1,015,796.56x = 780,708,112,337.01
5. Step 5: Solve for x
   x = 780,708,112,337.01/1,015,796.56
6. Step 6: Final answer
   x = 768,567.39