Finding the Fourth Proportional to 105,181.47, 157,829.61 and 60,894.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,181.47 : 157,829.61 = 60,894.72 : x
2. Step 2: Convert to fraction form
   105,181.47/157,829.61 = 60,894.72/x
3. Step 3: Cross multiply
   105,181.47x = 157,829.61 × 60,894.72
4. Step 4: Simplify right side
   105,181.47x = 9,610,990,137.01
5. Step 5: Solve for x
   x = 9,610,990,137.01/105,181.47
6. Step 6: Final answer
   x = 91,375.32