Finding the Fourth Proportional to 1,123,443.56, 1,683,674.94 and 491,669.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,443.56 : 1,683,674.94 = 491,669.48 : x
2. Step 2: Convert to fraction form
   1,123,443.56/1,683,674.94 = 491,669.48/x
3. Step 3: Cross multiply
   1,123,443.56x = 1,683,674.94 × 491,669.48
4. Step 4: Simplify right side
   1,123,443.56x = 827,811,582,238.83
5. Step 5: Solve for x
   x = 827,811,582,238.83/1,123,443.56
6. Step 6: Final answer
   x = 736,851.95