Finding the Fourth Proportional to 119,555.38, 164,985.18 and 65,839.25

Step by Step Solution

1. Step 1: Write the proportion equation
   119,555.38 : 164,985.18 = 65,839.25 : x
2. Step 2: Convert to fraction form
   119,555.38/164,985.18 = 65,839.25/x
3. Step 3: Cross multiply
   119,555.38x = 164,985.18 × 65,839.25
4. Step 4: Simplify right side
   119,555.38x = 10,862,500,512.32
5. Step 5: Solve for x
   x = 10,862,500,512.32/119,555.38
6. Step 6: Final answer
   x = 90,857.48