Finding the Fourth Proportional to 749,661.05, 1,034,532.36 and 405,496.82

Step by Step Solution

1. Step 1: Write the proportion equation
   749,661.05 : 1,034,532.36 = 405,496.82 : x
2. Step 2: Convert to fraction form
   749,661.05/1,034,532.36 = 405,496.82/x
3. Step 3: Cross multiply
   749,661.05x = 1,034,532.36 × 405,496.82
4. Step 4: Simplify right side
   749,661.05x = 419,499,584,753.43
5. Step 5: Solve for x
   x = 419,499,584,753.43/749,661.05
6. Step 6: Final answer
   x = 559,585.67