Finding the Fourth Proportional to 119,670.31, 165,144.18 and 65,955.34

Step by Step Solution

1. Step 1: Write the proportion equation
   119,670.31 : 165,144.18 = 65,955.34 : x
2. Step 2: Convert to fraction form
   119,670.31/165,144.18 = 65,955.34/x
3. Step 3: Cross multiply
   119,670.31x = 165,144.18 × 65,955.34
4. Step 4: Simplify right side
   119,670.31x = 10,892,140,540.92
5. Step 5: Solve for x
   x = 10,892,140,540.92/119,670.31
6. Step 6: Final answer
   x = 91,017.90