Finding the Fourth Proportional to 1,155,793.59, 1,595,066.18 and 646,530.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,793.59 : 1,595,066.18 = 646,530.39 : x
2. Step 2: Convert to fraction form
   1,155,793.59/1,595,066.18 = 646,530.39/x
3. Step 3: Cross multiply
   1,155,793.59x = 1,595,066.18 × 646,530.39
4. Step 4: Simplify right side
   1,155,793.59x = 1,031,258,756,198.56
5. Step 5: Solve for x
   x = 1,031,258,756,198.56/1,155,793.59
6. Step 6: Final answer
   x = 892,251.67