Finding the Fourth Proportional to 835,579.99, 1,152,978.73 and 477,814.87

Step by Step Solution

1. Step 1: Write the proportion equation
   835,579.99 : 1,152,978.73 = 477,814.87 : x
2. Step 2: Convert to fraction form
   835,579.99/1,152,978.73 = 477,814.87/x
3. Step 3: Cross multiply
   835,579.99x = 1,152,978.73 × 477,814.87
4. Step 4: Simplify right side
   835,579.99x = 550,910,381,987.72
5. Step 5: Solve for x
   x = 550,910,381,987.72/835,579.99
6. Step 6: Final answer
   x = 659,314.95