Finding the Fourth Proportional to 101,105.84, 139,527.52 and 55,785.84

Step by Step Solution

1. Step 1: Write the proportion equation
   101,105.84 : 139,527.52 = 55,785.84 : x
2. Step 2: Convert to fraction form
   101,105.84/139,527.52 = 55,785.84/x
3. Step 3: Cross multiply
   101,105.84x = 139,527.52 × 55,785.84
4. Step 4: Simplify right side
   101,105.84x = 7,783,659,906.32
5. Step 5: Solve for x
   x = 7,783,659,906.32/101,105.84
6. Step 6: Final answer
   x = 76,985.27