Finding the Fourth Proportional to 101,601.72, 140,215.41 and 61,314.84

Step by Step Solution

1. Step 1: Write the proportion equation
   101,601.72 : 140,215.41 = 61,314.84 : x
2. Step 2: Convert to fraction form
   101,601.72/140,215.41 = 61,314.84/x
3. Step 3: Cross multiply
   101,601.72x = 140,215.41 × 61,314.84
4. Step 4: Simplify right side
   101,601.72x = 8,597,285,429.68
5. Step 5: Solve for x
   x = 8,597,285,429.68/101,601.72
6. Step 6: Final answer
   x = 84,617.52