Finding the Fourth Proportional to 42.22, 63.05 and 37.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42.22 : 63.05 = 37.50 : x
2. Step 2: Convert to fraction form
   42.22/63.05 = 37.50/x
3. Step 3: Cross multiply
   42.22x = 63.05 × 37.50
4. Step 4: Simplify right side
   42.22x = 2,364.38
5. Step 5: Solve for x
   x = 2,364.38/42.22
6. Step 6: Final answer
   x = 56.00