Finding the Fourth Proportional to 758,772.83, 1,138,969.50 and 326,704.10

Step by Step Solution

1. Step 1: Write the proportion equation
   758,772.83 : 1,138,969.50 = 326,704.10 : x
2. Step 2: Convert to fraction form
   758,772.83/1,138,969.50 = 326,704.10/x
3. Step 3: Cross multiply
   758,772.83x = 1,138,969.50 × 326,704.10
4. Step 4: Simplify right side
   758,772.83x = 372,105,998,504.96
5. Step 5: Solve for x
   x = 372,105,998,504.96/758,772.83
6. Step 6: Final answer
   x = 490,405.01