Finding the Fourth Proportional to 67.55, 93.20 and 42.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67.55 : 93.20 = 42.98 : x
2. Step 2: Convert to fraction form
   67.55/93.20 = 42.98/x
3. Step 3: Cross multiply
   67.55x = 93.20 × 42.98
4. Step 4: Simplify right side
   67.55x = 4,005.06
5. Step 5: Solve for x
   x = 4,005.06/67.55
6. Step 6: Final answer
   x = 59.29