Finding the Fourth Proportional to 64.72, 89.33 and 37.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64.72 : 89.33 = 37.10 : x
2. Step 2: Convert to fraction form
   64.72/89.33 = 37.10/x
3. Step 3: Cross multiply
   64.72x = 89.33 × 37.10
4. Step 4: Simplify right side
   64.72x = 3,314.18
5. Step 5: Solve for x
   x = 3,314.18/64.72
6. Step 6: Final answer
   x = 51.21