Finding the Fourth Proportional to 79.00, 118.54 and 42.93

Step by Step Solution

1. Step 1: Write the proportion equation
   79.00 : 118.54 = 42.93 : x
2. Step 2: Convert to fraction form
   79.00/118.54 = 42.93/x
3. Step 3: Cross multiply
   79.00x = 118.54 × 42.93
4. Step 4: Simplify right side
   79.00x = 5,088.92
5. Step 5: Solve for x
   x = 5,088.92/79.00
6. Step 6: Final answer
   x = 64.42