Finding the Fourth Proportional to 101,096.27, 139,512.86 and 55,774.36

Step by Step Solution

1. Step 1: Write the proportion equation
   101,096.27 : 139,512.86 = 55,774.36 : x
2. Step 2: Convert to fraction form
   101,096.27/139,512.86 = 55,774.36/x
3. Step 3: Cross multiply
   101,096.27x = 139,512.86 × 55,774.36
4. Step 4: Simplify right side
   101,096.27x = 7,781,240,700.48
5. Step 5: Solve for x
   x = 7,781,240,700.48/101,096.27
6. Step 6: Final answer
   x = 76,968.62