Finding the Fourth Proportional to 101,097.92, 139,514.16 and 55,776.27

Step by Step Solution

1. Step 1: Write the proportion equation
   101,097.92 : 139,514.16 = 55,776.27 : x
2. Step 2: Convert to fraction form
   101,097.92/139,514.16 = 55,776.27/x
3. Step 3: Cross multiply
   101,097.92x = 139,514.16 × 55,776.27
4. Step 4: Simplify right side
   101,097.92x = 7,781,579,142.97
5. Step 5: Solve for x
   x = 7,781,579,142.97/101,097.92
6. Step 6: Final answer
   x = 76,970.72