Finding the Fourth Proportional to 119.34, 164.52 and 100.98

Step by Step Solution

1. Step 1: Write the proportion equation
   119.34 : 164.52 = 100.98 : x
2. Step 2: Convert to fraction form
   119.34/164.52 = 100.98/x
3. Step 3: Cross multiply
   119.34x = 164.52 × 100.98
4. Step 4: Simplify right side
   119.34x = 16,613.23
5. Step 5: Solve for x
   x = 16,613.23/119.34
6. Step 6: Final answer
   x = 139.21