Finding the Fourth Proportional to 101.35, 139.81 and 62.00

Step by Step Solution

1. Step 1: Write the proportion equation
   101.35 : 139.81 = 62.00 : x
2. Step 2: Convert to fraction form
   101.35/139.81 = 62.00/x
3. Step 3: Cross multiply
   101.35x = 139.81 × 62.00
4. Step 4: Simplify right side
   101.35x = 8,667.37
5. Step 5: Solve for x
   x = 8,667.37/101.35
6. Step 6: Final answer
   x = 85.52