Finding the Fourth Proportional to 116,019.88, 160,102.02 and 65,719.24

Step by Step Solution

1. Step 1: Write the proportion equation
   116,019.88 : 160,102.02 = 65,719.24 : x
2. Step 2: Convert to fraction form
   116,019.88/160,102.02 = 65,719.24/x
3. Step 3: Cross multiply
   116,019.88x = 160,102.02 × 65,719.24
4. Step 4: Simplify right side
   116,019.88x = 10,521,783,076.86
5. Step 5: Solve for x
   x = 10,521,783,076.86/116,019.88
6. Step 6: Final answer
   x = 90,689.48