Finding the Fourth Proportional to 118,719.69, 163,833.14 and 65,004.69

Step by Step Solution

1. Step 1: Write the proportion equation
   118,719.69 : 163,833.14 = 65,004.69 : x
2. Step 2: Convert to fraction form
   118,719.69/163,833.14 = 65,004.69/x
3. Step 3: Cross multiply
   118,719.69x = 163,833.14 × 65,004.69
4. Step 4: Simplify right side
   118,719.69x = 10,649,922,152.40
5. Step 5: Solve for x
   x = 10,649,922,152.40/118,719.69
6. Step 6: Final answer
   x = 89,706.45