Finding the Fourth Proportional to 105,185.94, 157,653.40 and 60,718.74

Step by Step Solution

1. Step 1: Write the proportion equation
   105,185.94 : 157,653.40 = 60,718.74 : x
2. Step 2: Convert to fraction form
   105,185.94/157,653.40 = 60,718.74/x
3. Step 3: Cross multiply
   105,185.94x = 157,653.40 × 60,718.74
4. Step 4: Simplify right side
   105,185.94x = 9,572,515,804.72
5. Step 5: Solve for x
   x = 9,572,515,804.72/105,185.94
6. Step 6: Final answer
   x = 91,005.66