Finding the Fourth Proportional to 119,626.72, 165,084.74 and 65,911.72

Step by Step Solution

1. Step 1: Write the proportion equation
   119,626.72 : 165,084.74 = 65,911.72 : x
2. Step 2: Convert to fraction form
   119,626.72/165,084.74 = 65,911.72/x
3. Step 3: Cross multiply
   119,626.72x = 165,084.74 × 65,911.72
4. Step 4: Simplify right side
   119,626.72x = 10,881,018,416.88
5. Step 5: Solve for x
   x = 10,881,018,416.88/119,626.72
6. Step 6: Final answer
   x = 90,958.10