Finding the Fourth Proportional to 1,815,086.98, 2,504,724.93 and 999,131.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,086.98 : 2,504,724.93 = 999,131.29 : x
2. Step 2: Convert to fraction form
   1,815,086.98/2,504,724.93 = 999,131.29/x
3. Step 3: Cross multiply
   1,815,086.98x = 2,504,724.93 × 999,131.29
4. Step 4: Simplify right side
   1,815,086.98x = 2,502,549,044,144.25
5. Step 5: Solve for x
   x = 2,502,549,044,144.25/1,815,086.98
6. Step 6: Final answer
   x = 1,378,748.83