Finding the Fourth Proportional to 101,242.82, 139,716.57 and 58,801.35

Step by Step Solution

1. Step 1: Write the proportion equation
   101,242.82 : 139,716.57 = 58,801.35 : x
2. Step 2: Convert to fraction form
   101,242.82/139,716.57 = 58,801.35/x
3. Step 3: Cross multiply
   101,242.82x = 139,716.57 × 58,801.35
4. Step 4: Simplify right side
   101,242.82x = 8,215,522,786.37
5. Step 5: Solve for x
   x = 8,215,522,786.37/101,242.82
6. Step 6: Final answer
   x = 81,146.72