Finding the Fourth Proportional to 1,811,338.50, 2,501,839.42 and 1,320,530.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811,338.50 : 2,501,839.42 = 1,320,530.76 : x
2. Step 2: Convert to fraction form
   1,811,338.50/2,501,839.42 = 1,320,530.76/x
3. Step 3: Cross multiply
   1,811,338.50x = 2,501,839.42 × 1,320,530.76
4. Step 4: Simplify right side
   1,811,338.50x = 3,303,755,910,690.56
5. Step 5: Solve for x
   x = 3,303,755,910,690.56/1,811,338.50
6. Step 6: Final answer
   x = 1,823,930.71