Finding the Fourth Proportional to 837,404.73, 1,155,605.81 and 455,422.77

Step by Step Solution

1. Step 1: Write the proportion equation
   837,404.73 : 1,155,605.81 = 455,422.77 : x
2. Step 2: Convert to fraction form
   837,404.73/1,155,605.81 = 455,422.77/x
3. Step 3: Cross multiply
   837,404.73x = 1,155,605.81 × 455,422.77
4. Step 4: Simplify right side
   837,404.73x = 526,289,196,741.18
5. Step 5: Solve for x
   x = 526,289,196,741.18/837,404.73
6. Step 6: Final answer
   x = 628,476.50