Finding the Fourth Proportional to 101,016.96, 139,404.32 and 55,696.56

Step by Step Solution

1. Step 1: Write the proportion equation
   101,016.96 : 139,404.32 = 55,696.56 : x
2. Step 2: Convert to fraction form
   101,016.96/139,404.32 = 55,696.56/x
3. Step 3: Cross multiply
   101,016.96x = 139,404.32 × 55,696.56
4. Step 4: Simplify right side
   101,016.96x = 7,764,341,073.14
5. Step 5: Solve for x
   x = 7,764,341,073.14/101,016.96
6. Step 6: Final answer
   x = 76,861.76