Finding the Fourth Proportional to 1,500,499.94, 2,070,690.02 and 821,436.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,499.94 : 2,070,690.02 = 821,436.44 : x
2. Step 2: Convert to fraction form
   1,500,499.94/2,070,690.02 = 821,436.44/x
3. Step 3: Cross multiply
   1,500,499.94x = 2,070,690.02 × 821,436.44
4. Step 4: Simplify right side
   1,500,499.94x = 1,700,940,229,088.42
5. Step 5: Solve for x
   x = 1,700,940,229,088.42/1,500,499.94
6. Step 6: Final answer
   x = 1,133,582.34