Finding the Fourth Proportional to 101.25, 139.69 and 59.82

Step by Step Solution

1. Step 1: Write the proportion equation
   101.25 : 139.69 = 59.82 : x
2. Step 2: Convert to fraction form
   101.25/139.69 = 59.82/x
3. Step 3: Cross multiply
   101.25x = 139.69 × 59.82
4. Step 4: Simplify right side
   101.25x = 8,355.81
5. Step 5: Solve for x
   x = 8,355.81/101.25
6. Step 6: Final answer
   x = 82.53