Finding the Fourth Proportional to 2,631,819.72, 3,948,106.14 and 810,338.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,819.72 : 3,948,106.14 = 810,338.76 : x
2. Step 2: Convert to fraction form
   2,631,819.72/3,948,106.14 = 810,338.76/x
3. Step 3: Cross multiply
   2,631,819.72x = 3,948,106.14 × 810,338.76
4. Step 4: Simplify right side
   2,631,819.72x = 3,199,303,433,835.99
5. Step 5: Solve for x
   x = 3,199,303,433,835.99/2,631,819.72
6. Step 6: Final answer
   x = 1,215,624.08