Finding the Fourth Proportional to 116,889.82, 161,299.85 and 65,904.37

Step by Step Solution

1. Step 1: Write the proportion equation
   116,889.82 : 161,299.85 = 65,904.37 : x
2. Step 2: Convert to fraction form
   116,889.82/161,299.85 = 65,904.37/x
3. Step 3: Cross multiply
   116,889.82x = 161,299.85 × 65,904.37
4. Step 4: Simplify right side
   116,889.82x = 10,630,364,262.57
5. Step 5: Solve for x
   x = 10,630,364,262.57/116,889.82
6. Step 6: Final answer
   x = 90,943.46