Finding the Fourth Proportional to 1,499,145.66, 2,245,114.77 and 857,504.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,145.66 : 2,245,114.77 = 857,504.70 : x
2. Step 2: Convert to fraction form
   1,499,145.66/2,245,114.77 = 857,504.70/x
3. Step 3: Cross multiply
   1,499,145.66x = 2,245,114.77 × 857,504.70
4. Step 4: Simplify right side
   1,499,145.66x = 1,925,196,467,314.42
5. Step 5: Solve for x
   x = 1,925,196,467,314.42/1,499,145.66
6. Step 6: Final answer
   x = 1,284,195.74