Finding the Fourth Proportional to 205,308.18, 307,973.16 and 65,077.74

Step by Step Solution

1. Step 1: Write the proportion equation
   205,308.18 : 307,973.16 = 65,077.74 : x
2. Step 2: Convert to fraction form
   205,308.18/307,973.16 = 65,077.74/x
3. Step 3: Cross multiply
   205,308.18x = 307,973.16 × 65,077.74
4. Step 4: Simplify right side
   205,308.18x = 20,042,197,233.46
5. Step 5: Solve for x
   x = 20,042,197,233.46/205,308.18
6. Step 6: Final answer
   x = 97,620.06