Finding the Fourth Proportional to 74.60, 111.86 and 34.00

Step by Step Solution

1. Step 1: Write the proportion equation
   74.60 : 111.86 = 34.00 : x
2. Step 2: Convert to fraction form
   74.60/111.86 = 34.00/x
3. Step 3: Cross multiply
   74.60x = 111.86 × 34.00
4. Step 4: Simplify right side
   74.60x = 3,802.72
5. Step 5: Solve for x
   x = 3,802.72/74.60
6. Step 6: Final answer
   x = 50.98