Finding the Fourth Proportional to 118,805.99, 163,943.73 and 65,082.33

Step by Step Solution

1. Step 1: Write the proportion equation
   118,805.99 : 163,943.73 = 65,082.33 : x
2. Step 2: Convert to fraction form
   118,805.99/163,943.73 = 65,082.33/x
3. Step 3: Cross multiply
   118,805.99x = 163,943.73 × 65,082.33
4. Step 4: Simplify right side
   118,805.99x = 10,669,839,937.29
5. Step 5: Solve for x
   x = 10,669,839,937.29/118,805.99
6. Step 6: Final answer
   x = 89,808.94