Finding the Fourth Proportional to 118,903.59, 164,082.60 and 65,187.43

Step by Step Solution

1. Step 1: Write the proportion equation
   118,903.59 : 164,082.60 = 65,187.43 : x
2. Step 2: Convert to fraction form
   118,903.59/164,082.60 = 65,187.43/x
3. Step 3: Cross multiply
   118,903.59x = 164,082.60 × 65,187.43
4. Step 4: Simplify right side
   118,903.59x = 10,696,122,591.51
5. Step 5: Solve for x
   x = 10,696,122,591.51/118,903.59
6. Step 6: Final answer
   x = 89,956.26