Finding the Fourth Proportional to 141.55, 212.00 and 100.84

Step by Step Solution

1. Step 1: Write the proportion equation
   141.55 : 212.00 = 100.84 : x
2. Step 2: Convert to fraction form
   141.55/212.00 = 100.84/x
3. Step 3: Cross multiply
   141.55x = 212.00 × 100.84
4. Step 4: Simplify right side
   141.55x = 21,376.52
5. Step 5: Solve for x
   x = 21,376.52/141.55
6. Step 6: Final answer
   x = 151.02