Finding the Fourth Proportional to 205,016.38, 307,522.74 and 64,775

Step by Step Solution

1. Step 1: Write the proportion equation
   205,016.38 : 307,522.74 = 64,775 : x
2. Step 2: Convert to fraction form
   205,016.38/307,522.74 = 64,775/x
3. Step 3: Cross multiply
   205,016.38x = 307,522.74 × 64,775
4. Step 4: Simplify right side
   205,016.38x = 19,919,785,483.50
5. Step 5: Solve for x
   x = 19,919,785,483.50/205,016.38
6. Step 6: Final answer
   x = 97,161.92