Finding the Fourth Proportional to 709,017.91, 978,923.83 and 545,383.83

Step by Step Solution

1. Step 1: Write the proportion equation
   709,017.91 : 978,923.83 = 545,383.83 : x
2. Step 2: Convert to fraction form
   709,017.91/978,923.83 = 545,383.83/x
3. Step 3: Cross multiply
   709,017.91x = 978,923.83 × 545,383.83
4. Step 4: Simplify right side
   709,017.91x = 533,889,231,013.77
5. Step 5: Solve for x
   x = 533,889,231,013.77/709,017.91
6. Step 6: Final answer
   x = 752,998.23