Finding the Fourth Proportional to 992,066.52, 1,367,783.82 and 642,590.04

Step by Step Solution

1. Step 1: Write the proportion equation
   992,066.52 : 1,367,783.82 = 642,590.04 : x
2. Step 2: Convert to fraction form
   992,066.52/1,367,783.82 = 642,590.04/x
3. Step 3: Cross multiply
   992,066.52x = 1,367,783.82 × 642,590.04
4. Step 4: Simplify right side
   992,066.52x = 878,924,259,605.15
5. Step 5: Solve for x
   x = 878,924,259,605.15/992,066.52
6. Step 6: Final answer
   x = 885,952.95