Finding the Fourth Proportional to 52.94, 73.10 and 42.05

Step by Step Solution

1. Step 1: Write the proportion equation
   52.94 : 73.10 = 42.05 : x
2. Step 2: Convert to fraction form
   52.94/73.10 = 42.05/x
3. Step 3: Cross multiply
   52.94x = 73.10 × 42.05
4. Step 4: Simplify right side
   52.94x = 3,073.86
5. Step 5: Solve for x
   x = 3,073.86/52.94
6. Step 6: Final answer
   x = 58.06