Finding the Fourth Proportional to 118,900.71, 164,082.94 and 65,184.57

Step by Step Solution

1. Step 1: Write the proportion equation
   118,900.71 : 164,082.94 = 65,184.57 : x
2. Step 2: Convert to fraction form
   118,900.71/164,082.94 = 65,184.57/x
3. Step 3: Cross multiply
   118,900.71x = 164,082.94 × 65,184.57
4. Step 4: Simplify right side
   118,900.71x = 10,695,676,370.09
5. Step 5: Solve for x
   x = 10,695,676,370.09/118,900.71
6. Step 6: Final answer
   x = 89,954.69