Finding the Fourth Proportional to 119,116.62, 164,384.46 and 65,405.34

Step by Step Solution

1. Step 1: Write the proportion equation
   119,116.62 : 164,384.46 = 65,405.34 : x
2. Step 2: Convert to fraction form
   119,116.62/164,384.46 = 65,405.34/x
3. Step 3: Cross multiply
   119,116.62x = 164,384.46 × 65,405.34
4. Step 4: Simplify right side
   119,116.62x = 10,751,621,497.02
5. Step 5: Solve for x
   x = 10,751,621,497.02/119,116.62
6. Step 6: Final answer
   x = 90,261.30