Finding the Fourth Proportional to 1,146,399.98, 1,581,997.78 and 656,353.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,399.98 : 1,581,997.78 = 656,353.22 : x
2. Step 2: Convert to fraction form
   1,146,399.98/1,581,997.78 = 656,353.22/x
3. Step 3: Cross multiply
   1,146,399.98x = 1,581,997.78 × 656,353.22
4. Step 4: Simplify right side
   1,146,399.98x = 1,038,349,336,935.85
5. Step 5: Solve for x
   x = 1,038,349,336,935.85/1,146,399.98
6. Step 6: Final answer
   x = 905,747.87