Finding the Fourth Proportional to 1,172,171.45, 1,617,847.83 and 763,544.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172,171.45 : 1,617,847.83 = 763,544.18 : x
2. Step 2: Convert to fraction form
   1,172,171.45/1,617,847.83 = 763,544.18/x
3. Step 3: Cross multiply
   1,172,171.45x = 1,617,847.83 × 763,544.18
4. Step 4: Simplify right side
   1,172,171.45x = 1,235,298,286,632.89
5. Step 5: Solve for x
   x = 1,235,298,286,632.89/1,172,171.45
6. Step 6: Final answer
   x = 1,053,854.61