Finding the Fourth Proportional to 116,019.69, 160,071.22 and 65,025.34

Step by Step Solution

1. Step 1: Write the proportion equation
   116,019.69 : 160,071.22 = 65,025.34 : x
2. Step 2: Convert to fraction form
   116,019.69/160,071.22 = 65,025.34/x
3. Step 3: Cross multiply
   116,019.69x = 160,071.22 × 65,025.34
4. Step 4: Simplify right side
   116,019.69x = 10,408,685,504.71
5. Step 5: Solve for x
   x = 10,408,685,504.71/116,019.69
6. Step 6: Final answer
   x = 89,714.82