Finding the Fourth Proportional to 118,900.29, 164,082.36 and 65,184.15

Step by Step Solution

1. Step 1: Write the proportion equation
   118,900.29 : 164,082.36 = 65,184.15 : x
2. Step 2: Convert to fraction form
   118,900.29/164,082.36 = 65,184.15/x
3. Step 3: Cross multiply
   118,900.29x = 164,082.36 × 65,184.15
4. Step 4: Simplify right side
   118,900.29x = 10,695,569,659.68
5. Step 5: Solve for x
   x = 10,695,569,659.68/118,900.29
6. Step 6: Final answer
   x = 89,954.11