Finding the Fourth Proportional to 105,112.78, 157,664.76 and 48,933.58

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.78 : 157,664.76 = 48,933.58 : x
2. Step 2: Convert to fraction form
   105,112.78/157,664.76 = 48,933.58/x
3. Step 3: Cross multiply
   105,112.78x = 157,664.76 × 48,933.58
4. Step 4: Simplify right side
   105,112.78x = 7,715,101,146.64
5. Step 5: Solve for x
   x = 7,715,101,146.64/105,112.78
6. Step 6: Final answer
   x = 73,398.32