Finding the Fourth Proportional to 837,662.94, 1,155,976.47 and 455,691.42

Step by Step Solution

1. Step 1: Write the proportion equation
   837,662.94 : 1,155,976.47 = 455,691.42 : x
2. Step 2: Convert to fraction form
   837,662.94/1,155,976.47 = 455,691.42/x
3. Step 3: Cross multiply
   837,662.94x = 1,155,976.47 × 455,691.42
4. Step 4: Simplify right side
   837,662.94x = 526,768,559,100.89
5. Step 5: Solve for x
   x = 526,768,559,100.89/837,662.94
6. Step 6: Final answer
   x = 628,855.04