Finding the Fourth Proportional to 113,668.30, 156,861.93 and 65,949.58

Step by Step Solution

1. Step 1: Write the proportion equation
   113,668.30 : 156,861.93 = 65,949.58 : x
2. Step 2: Convert to fraction form
   113,668.30/156,861.93 = 65,949.58/x
3. Step 3: Cross multiply
   113,668.30x = 156,861.93 × 65,949.58
4. Step 4: Simplify right side
   113,668.30x = 10,344,978,401.49
5. Step 5: Solve for x
   x = 10,344,978,401.49/113,668.30
6. Step 6: Final answer
   x = 91,010.23