Finding the Fourth Proportional to 830,147.46, 1,245,143.43 and 269,186.82

Step by Step Solution

1. Step 1: Write the proportion equation
   830,147.46 : 1,245,143.43 = 269,186.82 : x
2. Step 2: Convert to fraction form
   830,147.46/1,245,143.43 = 269,186.82/x
3. Step 3: Cross multiply
   830,147.46x = 1,245,143.43 × 269,186.82
4. Step 4: Simplify right side
   830,147.46x = 335,176,200,365.59
5. Step 5: Solve for x
   x = 335,176,200,365.59/830,147.46
6. Step 6: Final answer
   x = 403,755.02