Finding the Fourth Proportional to 1,499,510.79, 2,069,318.62 and 811,180.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,510.79 : 2,069,318.62 = 811,180.91 : x
2. Step 2: Convert to fraction form
   1,499,510.79/2,069,318.62 = 811,180.91/x
3. Step 3: Cross multiply
   1,499,510.79x = 2,069,318.62 × 811,180.91
4. Step 4: Simplify right side
   1,499,510.79x = 1,678,591,767,438.82
5. Step 5: Solve for x
   x = 1,678,591,767,438.82/1,499,510.79
6. Step 6: Final answer
   x = 1,119,426.27