Finding the Fourth Proportional to 101,104.86, 139,523.37 and 55,784.76

Step by Step Solution

1. Step 1: Write the proportion equation
   101,104.86 : 139,523.37 = 55,784.76 : x
2. Step 2: Convert to fraction form
   101,104.86/139,523.37 = 55,784.76/x
3. Step 3: Cross multiply
   101,104.86x = 139,523.37 × 55,784.76
4. Step 4: Simplify right side
   101,104.86x = 7,783,277,709.84
5. Step 5: Solve for x
   x = 7,783,277,709.84/101,104.86
6. Step 6: Final answer
   x = 76,982.23