Finding the Fourth Proportional to 118,796.88, 163,933.84 and 65,082.16

Step by Step Solution

1. Step 1: Write the proportion equation
   118,796.88 : 163,933.84 = 65,082.16 : x
2. Step 2: Convert to fraction form
   118,796.88/163,933.84 = 65,082.16/x
3. Step 3: Cross multiply
   118,796.88x = 163,933.84 × 65,082.16
4. Step 4: Simplify right side
   118,796.88x = 10,669,168,404.29
5. Step 5: Solve for x
   x = 10,669,168,404.29/118,796.88
6. Step 6: Final answer
   x = 89,810.17