Finding the Fourth Proportional to 101,016.28, 139,398.24 and 55,074.92

Step by Step Solution

1. Step 1: Write the proportion equation
   101,016.28 : 139,398.24 = 55,074.92 : x
2. Step 2: Convert to fraction form
   101,016.28/139,398.24 = 55,074.92/x
3. Step 3: Cross multiply
   101,016.28x = 139,398.24 × 55,074.92
4. Step 4: Simplify right side
   101,016.28x = 7,677,346,916.14
5. Step 5: Solve for x
   x = 7,677,346,916.14/101,016.28
6. Step 6: Final answer
   x = 76,001.09