Finding the Fourth Proportional to 829,605.96, 1,244,667.31 and 297,131.61

Step by Step Solution

1. Step 1: Write the proportion equation
   829,605.96 : 1,244,667.31 = 297,131.61 : x
2. Step 2: Convert to fraction form
   829,605.96/1,244,667.31 = 297,131.61/x
3. Step 3: Cross multiply
   829,605.96x = 1,244,667.31 × 297,131.61
4. Step 4: Simplify right side
   829,605.96x = 369,830,001,734.67
5. Step 5: Solve for x
   x = 369,830,001,734.67/829,605.96
6. Step 6: Final answer
   x = 445,789.95