Finding the Fourth Proportional to 107,136.41, 160,689.12 and 75,018.04

Step by Step Solution

1. Step 1: Write the proportion equation
   107,136.41 : 160,689.12 = 75,018.04 : x
2. Step 2: Convert to fraction form
   107,136.41/160,689.12 = 75,018.04/x
3. Step 3: Cross multiply
   107,136.41x = 160,689.12 × 75,018.04
4. Step 4: Simplify right side
   107,136.41x = 12,054,582,831.72
5. Step 5: Solve for x
   x = 12,054,582,831.72/107,136.41
6. Step 6: Final answer
   x = 112,516.21