Finding the Fourth Proportional to 118,900.38, 164,082.49 and 65,184.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,900.38 : 164,082.49 = 65,184.25 : x
2. Step 2: Convert to fraction form
   118,900.38/164,082.49 = 65,184.25/x
3. Step 3: Cross multiply
   118,900.38x = 164,082.49 × 65,184.25
4. Step 4: Simplify right side
   118,900.38x = 10,695,593,475.62
5. Step 5: Solve for x
   x = 10,695,593,475.62/118,900.38
6. Step 6: Final answer
   x = 89,954.24