Finding the Fourth Proportional to 67.50, 93.10 and 42.93

Step by Step Solution

1. Step 1: Write the proportion equation
   67.50 : 93.10 = 42.93 : x
2. Step 2: Convert to fraction form
   67.50/93.10 = 42.93/x
3. Step 3: Cross multiply
   67.50x = 93.10 × 42.93
4. Step 4: Simplify right side
   67.50x = 3,996.78
5. Step 5: Solve for x
   x = 3,996.78/67.50
6. Step 6: Final answer
   x = 59.21