Finding the Fourth Proportional to 78,667.14, 117,975.20 and 26,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,667.14 : 117,975.20 = 26,062.50 : x
2. Step 2: Convert to fraction form
   78,667.14/117,975.20 = 26,062.50/x
3. Step 3: Cross multiply
   78,667.14x = 117,975.20 × 26,062.50
4. Step 4: Simplify right side
   78,667.14x = 3,074,728,519.69
5. Step 5: Solve for x
   x = 3,074,728,519.69/78,667.14
6. Step 6: Final answer
   x = 39,085.30