Finding the Fourth Proportional to 100.06, 137.78 and 88.83

Step by Step Solution

1. Step 1: Write the proportion equation
   100.06 : 137.78 = 88.83 : x
2. Step 2: Convert to fraction form
   100.06/137.78 = 88.83/x
3. Step 3: Cross multiply
   100.06x = 137.78 × 88.83
4. Step 4: Simplify right side
   100.06x = 12,239.00
5. Step 5: Solve for x
   x = 12,239.00/100.06
6. Step 6: Final answer
   x = 122.32