Finding the Fourth Proportional to 73.02, 109.56 and 67.98

Step by Step Solution

1. Step 1: Write the proportion equation
   73.02 : 109.56 = 67.98 : x
2. Step 2: Convert to fraction form
   73.02/109.56 = 67.98/x
3. Step 3: Cross multiply
   73.02x = 109.56 × 67.98
4. Step 4: Simplify right side
   73.02x = 7,447.89
5. Step 5: Solve for x
   x = 7,447.89/73.02
6. Step 6: Final answer
   x = 102.00