Finding the Fourth Proportional to 78.79, 108.74 and 46.07

Step by Step Solution

1. Step 1: Write the proportion equation
   78.79 : 108.74 = 46.07 : x
2. Step 2: Convert to fraction form
   78.79/108.74 = 46.07/x
3. Step 3: Cross multiply
   78.79x = 108.74 × 46.07
4. Step 4: Simplify right side
   78.79x = 5,009.22
5. Step 5: Solve for x
   x = 5,009.22/78.79
6. Step 6: Final answer
   x = 63.58