Finding the Fourth Proportional to 119,253.05, 164,573.54 and 65,542.15

Step by Step Solution

1. Step 1: Write the proportion equation
   119,253.05 : 164,573.54 = 65,542.15 : x
2. Step 2: Convert to fraction form
   119,253.05/164,573.54 = 65,542.15/x
3. Step 3: Cross multiply
   119,253.05x = 164,573.54 × 65,542.15
4. Step 4: Simplify right side
   119,253.05x = 10,786,503,644.71
5. Step 5: Solve for x
   x = 10,786,503,644.71/119,253.05
6. Step 6: Final answer
   x = 90,450.55