Finding the Fourth Proportional to 174.51, 240.83 and 100.83

Step by Step Solution

1. Step 1: Write the proportion equation
   174.51 : 240.83 = 100.83 : x
2. Step 2: Convert to fraction form
   174.51/240.83 = 100.83/x
3. Step 3: Cross multiply
   174.51x = 240.83 × 100.83
4. Step 4: Simplify right side
   174.51x = 24,282.89
5. Step 5: Solve for x
   x = 24,282.89/174.51
6. Step 6: Final answer
   x = 139.15