Finding the Fourth Proportional to 119,304.50, 164,639.39 and 65,588.13

Step by Step Solution

1. Step 1: Write the proportion equation
   119,304.50 : 164,639.39 = 65,588.13 : x
2. Step 2: Convert to fraction form
   119,304.50/164,639.39 = 65,588.13/x
3. Step 3: Cross multiply
   119,304.50x = 164,639.39 × 65,588.13
4. Step 4: Simplify right side
   119,304.50x = 10,798,389,386.50
5. Step 5: Solve for x
   x = 10,798,389,386.50/119,304.50
6. Step 6: Final answer
   x = 90,511.17