Finding the Fourth Proportional to 205,308.74, 307,969.60 and 65,068.58

Step by Step Solution

1. Step 1: Write the proportion equation
   205,308.74 : 307,969.60 = 65,068.58 : x
2. Step 2: Convert to fraction form
   205,308.74/307,969.60 = 65,068.58/x
3. Step 3: Cross multiply
   205,308.74x = 307,969.60 × 65,068.58
4. Step 4: Simplify right side
   205,308.74x = 20,039,144,555.17
5. Step 5: Solve for x
   x = 20,039,144,555.17/205,308.74
6. Step 6: Final answer
   x = 97,604.93