Finding the Fourth Proportional to 118,717.81, 163,830.56 and 65,002.82

Step by Step Solution

1. Step 1: Write the proportion equation
   118,717.81 : 163,830.56 = 65,002.82 : x
2. Step 2: Convert to fraction form
   118,717.81/163,830.56 = 65,002.82/x
3. Step 3: Cross multiply
   118,717.81x = 163,830.56 × 65,002.82
4. Step 4: Simplify right side
   118,717.81x = 10,649,447,258.01
5. Step 5: Solve for x
   x = 10,649,447,258.01/118,717.81
6. Step 6: Final answer
   x = 89,703.87