Finding the Fourth Proportional to 74.59, 111.50 and 67.26

Step by Step Solution

1. Step 1: Write the proportion equation
   74.59 : 111.50 = 67.26 : x
2. Step 2: Convert to fraction form
   74.59/111.50 = 67.26/x
3. Step 3: Cross multiply
   74.59x = 111.50 × 67.26
4. Step 4: Simplify right side
   74.59x = 7,499.00
5. Step 5: Solve for x
   x = 7,499.00/74.59
6. Step 6: Final answer
   x = 100.53