Finding the Fourth Proportional to 118,920.38, 164,095.08 and 65,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   118,920.38 : 164,095.08 = 65,191.25 : x
2. Step 2: Convert to fraction form
   118,920.38/164,095.08 = 65,191.25/x
3. Step 3: Cross multiply
   118,920.38x = 164,095.08 × 65,191.25
4. Step 4: Simplify right side
   118,920.38x = 10,697,563,549.82
5. Step 5: Solve for x
   x = 10,697,563,549.82/118,920.38
6. Step 6: Final answer
   x = 89,955.68