Finding the Fourth Proportional to 1,490,158.81, 2,053,959.69 and 1,054,012.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,158.81 : 2,053,959.69 = 1,054,012.69 : x
2. Step 2: Convert to fraction form
   1,490,158.81/2,053,959.69 = 1,054,012.69/x
3. Step 3: Cross multiply
   1,490,158.81x = 2,053,959.69 × 1,054,012.69
4. Step 4: Simplify right side
   1,490,158.81x = 2,164,899,578,008.47
5. Step 5: Solve for x
   x = 2,164,899,578,008.47/1,490,158.81
6. Step 6: Final answer
   x = 1,452,797.89