Finding the Fourth Proportional to 1,499,221.83, 2,068,942.46 and 820,143.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,221.83 : 2,068,942.46 = 820,143.75 : x
2. Step 2: Convert to fraction form
   1,499,221.83/2,068,942.46 = 820,143.75/x
3. Step 3: Cross multiply
   1,499,221.83x = 2,068,942.46 × 820,143.75
4. Step 4: Simplify right side
   1,499,221.83x = 1,696,830,223,577.91
5. Step 5: Solve for x
   x = 1,696,830,223,577.91/1,499,221.83
6. Step 6: Final answer
   x = 1,131,807.31