Finding the Fourth Proportional to 118,814.29, 163,963.69 and 65,101.35

Step by Step Solution

1. Step 1: Write the proportion equation
   118,814.29 : 163,963.69 = 65,101.35 : x
2. Step 2: Convert to fraction form
   118,814.29/163,963.69 = 65,101.35/x
3. Step 3: Cross multiply
   118,814.29x = 163,963.69 × 65,101.35
4. Step 4: Simplify right side
   118,814.29x = 10,674,257,160.07
5. Step 5: Solve for x
   x = 10,674,257,160.07/118,814.29
6. Step 6: Final answer
   x = 89,839.84