Finding the Fourth Proportional to 61.34, 91.96 and 42.03

Step by Step Solution

1. Step 1: Write the proportion equation
   61.34 : 91.96 = 42.03 : x
2. Step 2: Convert to fraction form
   61.34/91.96 = 42.03/x
3. Step 3: Cross multiply
   61.34x = 91.96 × 42.03
4. Step 4: Simplify right side
   61.34x = 3,865.08
5. Step 5: Solve for x
   x = 3,865.08/61.34
6. Step 6: Final answer
   x = 63.01