Finding the Fourth Proportional to 88.04, 131.99 and 42.35

Step by Step Solution

1. Step 1: Write the proportion equation
   88.04 : 131.99 = 42.35 : x
2. Step 2: Convert to fraction form
   88.04/131.99 = 42.35/x
3. Step 3: Cross multiply
   88.04x = 131.99 × 42.35
4. Step 4: Simplify right side
   88.04x = 5,588.90
5. Step 5: Solve for x
   x = 5,588.90/88.04
6. Step 6: Final answer
   x = 63.49