Finding the Fourth Proportional to 78.79, 108.83 and 52.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78.79 : 108.83 = 52.52 : x
2. Step 2: Convert to fraction form
   78.79/108.83 = 52.52/x
3. Step 3: Cross multiply
   78.79x = 108.83 × 52.52
4. Step 4: Simplify right side
   78.79x = 5,716.00
5. Step 5: Solve for x
   x = 5,716.00/78.79
6. Step 6: Final answer
   x = 72.54