Finding the Fourth Proportional to 101,231.35, 139,693.13 and 60,958.15

Step by Step Solution

1. Step 1: Write the proportion equation
   101,231.35 : 139,693.13 = 60,958.15 : x
2. Step 2: Convert to fraction form
   101,231.35/139,693.13 = 60,958.15/x
3. Step 3: Cross multiply
   101,231.35x = 139,693.13 × 60,958.15
4. Step 4: Simplify right side
   101,231.35x = 8,515,434,772.51
5. Step 5: Solve for x
   x = 8,515,434,772.51/101,231.35
6. Step 6: Final answer
   x = 84,118.55