Finding the Fourth Proportional to 837,069.24, 1,155,131.82 and 455,087.16

Step by Step Solution

1. Step 1: Write the proportion equation
   837,069.24 : 1,155,131.82 = 455,087.16 : x
2. Step 2: Convert to fraction form
   837,069.24/1,155,131.82 = 455,087.16/x
3. Step 3: Cross multiply
   837,069.24x = 1,155,131.82 × 455,087.16
4. Step 4: Simplify right side
   837,069.24x = 525,685,659,389.43
5. Step 5: Solve for x
   x = 525,685,659,389.43/837,069.24
6. Step 6: Final answer
   x = 628,007.38