Finding the Fourth Proportional to 104,942.78, 157,460.69 and 55,010.96

Step by Step Solution

1. Step 1: Write the proportion equation
   104,942.78 : 157,460.69 = 55,010.96 : x
2. Step 2: Convert to fraction form
   104,942.78/157,460.69 = 55,010.96/x
3. Step 3: Cross multiply
   104,942.78x = 157,460.69 × 55,010.96
4. Step 4: Simplify right side
   104,942.78x = 8,662,063,069.39
5. Step 5: Solve for x
   x = 8,662,063,069.39/104,942.78
6. Step 6: Final answer
   x = 82,540.82