Finding the Fourth Proportional to 78.80, 108.72 and 46.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78.80 : 108.72 = 46.04 : x
2. Step 2: Convert to fraction form
   78.80/108.72 = 46.04/x
3. Step 3: Cross multiply
   78.80x = 108.72 × 46.04
4. Step 4: Simplify right side
   78.80x = 5,005.71
5. Step 5: Solve for x
   x = 5,005.71/78.80
6. Step 6: Final answer
   x = 63.53