Finding the Fourth Proportional to 119,320.82, 164,663.36 and 65,609.30

Step by Step Solution

1. Step 1: Write the proportion equation
   119,320.82 : 164,663.36 = 65,609.30 : x
2. Step 2: Convert to fraction form
   119,320.82/164,663.36 = 65,609.30/x
3. Step 3: Cross multiply
   119,320.82x = 164,663.36 × 65,609.30
4. Step 4: Simplify right side
   119,320.82x = 10,803,447,251.37
5. Step 5: Solve for x
   x = 10,803,447,251.37/119,320.82
6. Step 6: Final answer
   x = 90,541.17