Finding the Fourth Proportional to 105,078.47, 157,616.17 and 48,887.15

Step by Step Solution

1. Step 1: Write the proportion equation
   105,078.47 : 157,616.17 = 48,887.15 : x
2. Step 2: Convert to fraction form
   105,078.47/157,616.17 = 48,887.15/x
3. Step 3: Cross multiply
   105,078.47x = 157,616.17 × 48,887.15
4. Step 4: Simplify right side
   105,078.47x = 7,705,404,434.92
5. Step 5: Solve for x
   x = 7,705,404,434.92/105,078.47
6. Step 6: Final answer
   x = 73,330.01