Finding the Fourth Proportional to 1,499,260.42, 2,069,029.20 and 820,196.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,260.42 : 2,069,029.20 = 820,196.92 : x
2. Step 2: Convert to fraction form
   1,499,260.42/2,069,029.20 = 820,196.92/x
3. Step 3: Cross multiply
   1,499,260.42x = 2,069,029.20 × 820,196.92
4. Step 4: Simplify right side
   1,499,260.42x = 1,697,011,377,230.06
5. Step 5: Solve for x
   x = 1,697,011,377,230.06/1,499,260.42
6. Step 6: Final answer
   x = 1,131,899.00