Finding the Fourth Proportional to 28.37, 42.35 and 26.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28.37 : 42.35 = 26.10 : x
2. Step 2: Convert to fraction form
   28.37/42.35 = 26.10/x
3. Step 3: Cross multiply
   28.37x = 42.35 × 26.10
4. Step 4: Simplify right side
   28.37x = 1,105.34
5. Step 5: Solve for x
   x = 1,105.34/28.37
6. Step 6: Final answer
   x = 38.96