Finding the Fourth Proportional to 837,481.15, 1,155,667.12 and 455,499.73

Step by Step Solution

1. Step 1: Write the proportion equation
   837,481.15 : 1,155,667.12 = 455,499.73 : x
2. Step 2: Convert to fraction form
   837,481.15/1,155,667.12 = 455,499.73/x
3. Step 3: Cross multiply
   837,481.15x = 1,155,667.12 × 455,499.73
4. Step 4: Simplify right side
   837,481.15x = 526,406,061,129.88
5. Step 5: Solve for x
   x = 526,406,061,129.88/837,481.15
6. Step 6: Final answer
   x = 628,558.70