Finding the Fourth Proportional to 1,451,725, 2,003,380.50 and 815,821

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451,725 : 2,003,380.50 = 815,821 : x
2. Step 2: Convert to fraction form
   1,451,725/2,003,380.50 = 815,821/x
3. Step 3: Cross multiply
   1,451,725x = 2,003,380.50 × 815,821
4. Step 4: Simplify right side
   1,451,725x = 1,634,399,882,890.50
5. Step 5: Solve for x
   x = 1,634,399,882,890.50/1,451,725
6. Step 6: Final answer
   x = 1,125,832.98