Finding the Fourth Proportional to 1,499,508.05, 2,069,314.82 and 811,178.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,508.05 : 2,069,314.82 = 811,178.20 : x
2. Step 2: Convert to fraction form
   1,499,508.05/2,069,314.82 = 811,178.20/x
3. Step 3: Cross multiply
   1,499,508.05x = 2,069,314.82 × 811,178.20
4. Step 4: Simplify right side
   1,499,508.05x = 1,678,583,063,135.14
5. Step 5: Solve for x
   x = 1,678,583,063,135.14/1,499,508.05
6. Step 6: Final answer
   x = 1,119,422.51