Finding the Fourth Proportional to 1,196,118.18, 1,793,730.15 and 485,906.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,118.18 : 1,793,730.15 = 485,906.94 : x
2. Step 2: Convert to fraction form
   1,196,118.18/1,793,730.15 = 485,906.94/x
3. Step 3: Cross multiply
   1,196,118.18x = 1,793,730.15 × 485,906.94
4. Step 4: Simplify right side
   1,196,118.18x = 871,585,928,372.24
5. Step 5: Solve for x
   x = 871,585,928,372.24/1,196,118.18
6. Step 6: Final answer
   x = 728,678.77