Finding the Fourth Proportional to 118,900.64, 164,082.83 and 65,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,900.64 : 164,082.83 = 65,184.50 : x
2. Step 2: Convert to fraction form
   118,900.64/164,082.83 = 65,184.50/x
3. Step 3: Cross multiply
   118,900.64x = 164,082.83 × 65,184.50
4. Step 4: Simplify right side
   118,900.64x = 10,695,656,984.89
5. Step 5: Solve for x
   x = 10,695,656,984.89/118,900.64
6. Step 6: Final answer
   x = 89,954.58