Finding the Fourth Proportional to 205,328.12, 308,003.26 and 65,097.72

Step by Step Solution

1. Step 1: Write the proportion equation
   205,328.12 : 308,003.26 = 65,097.72 : x
2. Step 2: Convert to fraction form
   205,328.12/308,003.26 = 65,097.72/x
3. Step 3: Cross multiply
   205,328.12x = 308,003.26 × 65,097.72
4. Step 4: Simplify right side
   205,328.12x = 20,050,309,978.57
5. Step 5: Solve for x
   x = 20,050,309,978.57/205,328.12
6. Step 6: Final answer
   x = 97,650.09