Finding the Fourth Proportional to 1,499,419.40, 2,069,250.44 and 820,355.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,419.40 : 2,069,250.44 = 820,355.88 : x
2. Step 2: Convert to fraction form
   1,499,419.40/2,069,250.44 = 820,355.88/x
3. Step 3: Cross multiply
   1,499,419.40x = 2,069,250.44 × 820,355.88
4. Step 4: Simplify right side
   1,499,419.40x = 1,697,521,765,646.59
5. Step 5: Solve for x
   x = 1,697,521,765,646.59/1,499,419.40
6. Step 6: Final answer
   x = 1,132,119.38