Finding the Fourth Proportional to 78,668.14, 117,976.69 and 26,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,668.14 : 117,976.69 = 26,063.50 : x
2. Step 2: Convert to fraction form
   78,668.14/117,976.69 = 26,063.50/x
3. Step 3: Cross multiply
   78,668.14x = 117,976.69 × 26,063.50
4. Step 4: Simplify right side
   78,668.14x = 3,074,885,459.82
5. Step 5: Solve for x
   x = 3,074,885,459.82/78,668.14
6. Step 6: Final answer
   x = 39,086.79