Finding the Fourth Proportional to 119,171.59, 164,460.99 and 65,461.57

Step by Step Solution

1. Step 1: Write the proportion equation
   119,171.59 : 164,460.99 = 65,461.57 : x
2. Step 2: Convert to fraction form
   119,171.59/164,460.99 = 65,461.57/x
3. Step 3: Cross multiply
   119,171.59x = 164,460.99 × 65,461.57
4. Step 4: Simplify right side
   119,171.59x = 10,765,874,609.15
5. Step 5: Solve for x
   x = 10,765,874,609.15/119,171.59
6. Step 6: Final answer
   x = 90,339.27