Finding the Fourth Proportional to 100.37, 150.27 and 69.88

Step by Step Solution

1. Step 1: Write the proportion equation
   100.37 : 150.27 = 69.88 : x
2. Step 2: Convert to fraction form
   100.37/150.27 = 69.88/x
3. Step 3: Cross multiply
   100.37x = 150.27 × 69.88
4. Step 4: Simplify right side
   100.37x = 10,500.90
5. Step 5: Solve for x
   x = 10,500.90/100.37
6. Step 6: Final answer
   x = 104.62