Finding the Fourth Proportional to 827,853.92, 1,142,448.71 and 501,162.59

Step by Step Solution

1. Step 1: Write the proportion equation
   827,853.92 : 1,142,448.71 = 501,162.59 : x
2. Step 2: Convert to fraction form
   827,853.92/1,142,448.71 = 501,162.59/x
3. Step 3: Cross multiply
   827,853.92x = 1,142,448.71 × 501,162.59
4. Step 4: Simplify right side
   827,853.92x = 572,552,554,796.07
5. Step 5: Solve for x
   x = 572,552,554,796.07/827,853.92
6. Step 6: Final answer
   x = 691,610.61