Finding the Fourth Proportional to 119,040.69, 164,280.89 and 65,327.63

Step by Step Solution

1. Step 1: Write the proportion equation
   119,040.69 : 164,280.89 = 65,327.63 : x
2. Step 2: Convert to fraction form
   119,040.69/164,280.89 = 65,327.63/x
3. Step 3: Cross multiply
   119,040.69x = 164,280.89 × 65,327.63
4. Step 4: Simplify right side
   119,040.69x = 10,732,080,049.95
5. Step 5: Solve for x
   x = 10,732,080,049.95/119,040.69
6. Step 6: Final answer
   x = 90,154.72