Finding the Fourth Proportional to 1,499,510.05, 2,069,317.58 and 811,180.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,510.05 : 2,069,317.58 = 811,180.20 : x
2. Step 2: Convert to fraction form
   1,499,510.05/2,069,317.58 = 811,180.20/x
3. Step 3: Cross multiply
   1,499,510.05x = 2,069,317.58 × 811,180.20
4. Step 4: Simplify right side
   1,499,510.05x = 1,678,589,448,407.92
5. Step 5: Solve for x
   x = 1,678,589,448,407.92/1,499,510.05
6. Step 6: Final answer
   x = 1,119,425.27