Finding the Fourth Proportional to 899,498.94, 1,241,306.43 and 512,314.29

Step by Step Solution

1. Step 1: Write the proportion equation
   899,498.94 : 1,241,306.43 = 512,314.29 : x
2. Step 2: Convert to fraction form
   899,498.94/1,241,306.43 = 512,314.29/x
3. Step 3: Cross multiply
   899,498.94x = 1,241,306.43 × 512,314.29
4. Step 4: Simplify right side
   899,498.94x = 635,939,022,357.89
5. Step 5: Solve for x
   x = 635,939,022,357.89/899,498.94
6. Step 6: Final answer
   x = 706,992.52