Finding the Fourth Proportional to 118,910.76, 164,088.75 and 65,184.67

Step by Step Solution

1. Step 1: Write the proportion equation
   118,910.76 : 164,088.75 = 65,184.67 : x
2. Step 2: Convert to fraction form
   118,910.76/164,088.75 = 65,184.67/x
3. Step 3: Cross multiply
   118,910.76x = 164,088.75 × 65,184.67
4. Step 4: Simplify right side
   118,910.76x = 10,696,071,019.46
5. Step 5: Solve for x
   x = 10,696,071,019.46/118,910.76
6. Step 6: Final answer
   x = 89,950.40