Finding the Fourth Proportional to 78.82, 108.74 and 46.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78.82 : 108.74 = 46.02 : x
2. Step 2: Convert to fraction form
   78.82/108.74 = 46.02/x
3. Step 3: Cross multiply
   78.82x = 108.74 × 46.02
4. Step 4: Simplify right side
   78.82x = 5,004.13
5. Step 5: Solve for x
   x = 5,004.13/78.82
6. Step 6: Final answer
   x = 63.49