Finding the Fourth Proportional to 1,499,389.58, 2,069,207.31 and 820,326.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,389.58 : 2,069,207.31 = 820,326.38 : x
2. Step 2: Convert to fraction form
   1,499,389.58/2,069,207.31 = 820,326.38/x
3. Step 3: Cross multiply
   1,499,389.58x = 2,069,207.31 × 820,326.38
4. Step 4: Simplify right side
   1,499,389.58x = 1,697,425,342,081.84
5. Step 5: Solve for x
   x = 1,697,425,342,081.84/1,499,389.58
6. Step 6: Final answer
   x = 1,132,077.59