Finding the Fourth Proportional to 1,979,061.12, 2,966,229.72 and 1,080,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979,061.12 : 2,966,229.72 = 1,080,729 : x
2. Step 2: Convert to fraction form
   1,979,061.12/2,966,229.72 = 1,080,729/x
3. Step 3: Cross multiply
   1,979,061.12x = 2,966,229.72 × 1,080,729
4. Step 4: Simplify right side
   1,979,061.12x = 3,205,690,479,065.88
5. Step 5: Solve for x
   x = 3,205,690,479,065.88/1,979,061.12
6. Step 6: Final answer
   x = 1,619,803.68