Finding the Fourth Proportional to 101.50, 151.94 and 87.83

Step by Step Solution

1. Step 1: Write the proportion equation
   101.50 : 151.94 = 87.83 : x
2. Step 2: Convert to fraction form
   101.50/151.94 = 87.83/x
3. Step 3: Cross multiply
   101.50x = 151.94 × 87.83
4. Step 4: Simplify right side
   101.50x = 13,344.89
5. Step 5: Solve for x
   x = 13,344.89/101.50
6. Step 6: Final answer
   x = 131.48