Finding the Fourth Proportional to 100.18, 150.16 and 59.48

Step by Step Solution

1. Step 1: Write the proportion equation
   100.18 : 150.16 = 59.48 : x
2. Step 2: Convert to fraction form
   100.18/150.16 = 59.48/x
3. Step 3: Cross multiply
   100.18x = 150.16 × 59.48
4. Step 4: Simplify right side
   100.18x = 8,931.52
5. Step 5: Solve for x
   x = 8,931.52/100.18
6. Step 6: Final answer
   x = 89.15