Finding the Fourth Proportional to 78,867.48, 118,320.05 and 26,277.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,867.48 : 118,320.05 = 26,277.42 : x
2. Step 2: Convert to fraction form
   78,867.48/118,320.05 = 26,277.42/x
3. Step 3: Cross multiply
   78,867.48x = 118,320.05 × 26,277.42
4. Step 4: Simplify right side
   78,867.48x = 3,109,145,648.27
5. Step 5: Solve for x
   x = 3,109,145,648.27/78,867.48
6. Step 6: Final answer
   x = 39,422.40