Finding the Fourth Proportional to 119,304.69, 164,640.56 and 65,590.62

Step by Step Solution

1. Step 1: Write the proportion equation
   119,304.69 : 164,640.56 = 65,590.62 : x
2. Step 2: Convert to fraction form
   119,304.69/164,640.56 = 65,590.62/x
3. Step 3: Cross multiply
   119,304.69x = 164,640.56 × 65,590.62
4. Step 4: Simplify right side
   119,304.69x = 10,798,876,079.59
5. Step 5: Solve for x
   x = 10,798,876,079.59/119,304.69
6. Step 6: Final answer
   x = 90,515.10