Finding the Fourth Proportional to 1,499,428.92, 2,069,263.53 and 820,365.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,428.92 : 2,069,263.53 = 820,365.42 : x
2. Step 2: Convert to fraction form
   1,499,428.92/2,069,263.53 = 820,365.42/x
3. Step 3: Cross multiply
   1,499,428.92x = 2,069,263.53 × 820,365.42
4. Step 4: Simplify right side
   1,499,428.92x = 1,697,552,244,879.13
5. Step 5: Solve for x
   x = 1,697,552,244,879.13/1,499,428.92
6. Step 6: Final answer
   x = 1,132,132.52