Finding the Fourth Proportional to 78.77, 108.74 and 46.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78.77 : 108.74 = 46.04 : x
2. Step 2: Convert to fraction form
   78.77/108.74 = 46.04/x
3. Step 3: Cross multiply
   78.77x = 108.74 × 46.04
4. Step 4: Simplify right side
   78.77x = 5,005.96
5. Step 5: Solve for x
   x = 5,005.96/78.77
6. Step 6: Final answer
   x = 63.55