Finding the Fourth Proportional to 118,904.50, 164,088.93 and 65,189.62

Step by Step Solution

1. Step 1: Write the proportion equation
   118,904.50 : 164,088.93 = 65,189.62 : x
2. Step 2: Convert to fraction form
   118,904.50/164,088.93 = 65,189.62/x
3. Step 3: Cross multiply
   118,904.50x = 164,088.93 × 65,189.62
4. Step 4: Simplify right side
   118,904.50x = 10,696,894,992.91
5. Step 5: Solve for x
   x = 10,696,894,992.91/118,904.50
6. Step 6: Final answer
   x = 89,962.07