Finding the Fourth Proportional to 101,419.14, 139,955.78 and 56,096

Step by Step Solution

1. Step 1: Write the proportion equation
   101,419.14 : 139,955.78 = 56,096 : x
2. Step 2: Convert to fraction form
   101,419.14/139,955.78 = 56,096/x
3. Step 3: Cross multiply
   101,419.14x = 139,955.78 × 56,096
4. Step 4: Simplify right side
   101,419.14x = 7,850,959,434.88
5. Step 5: Solve for x
   x = 7,850,959,434.88/101,419.14
6. Step 6: Final answer
   x = 77,411.02