Finding the Fourth Proportional to 3,499,291.50, 5,248,937.25 and 839,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,291.50 : 5,248,937.25 = 839,899.50 : x
2. Step 2: Convert to fraction form
   3,499,291.50/5,248,937.25 = 839,899.50/x
3. Step 3: Cross multiply
   3,499,291.50x = 5,248,937.25 × 839,899.50
4. Step 4: Simplify right side
   3,499,291.50x = 4,408,579,771,806.38
5. Step 5: Solve for x
   x = 4,408,579,771,806.38/3,499,291.50
6. Step 6: Final answer
   x = 1,259,849.25