Finding the Fourth Proportional to 93.59, 140.35 and 42.22

Step by Step Solution

1. Step 1: Write the proportion equation
   93.59 : 140.35 = 42.22 : x
2. Step 2: Convert to fraction form
   93.59/140.35 = 42.22/x
3. Step 3: Cross multiply
   93.59x = 140.35 × 42.22
4. Step 4: Simplify right side
   93.59x = 5,925.82
5. Step 5: Solve for x
   x = 5,925.82/93.59
6. Step 6: Final answer
   x = 63.31