Finding the Fourth Proportional to 100.10, 150.16 and 69.59

Step by Step Solution

1. Step 1: Write the proportion equation
   100.10 : 150.16 = 69.59 : x
2. Step 2: Convert to fraction form
   100.10/150.16 = 69.59/x
3. Step 3: Cross multiply
   100.10x = 150.16 × 69.59
4. Step 4: Simplify right side
   100.10x = 10,449.09
5. Step 5: Solve for x
   x = 10,449.09/100.10
6. Step 6: Final answer
   x = 104.39