Finding the Fourth Proportional to 119,259.78, 164,582.20 and 65,543.82

Step by Step Solution

1. Step 1: Write the proportion equation
   119,259.78 : 164,582.20 = 65,543.82 : x
2. Step 2: Convert to fraction form
   119,259.78/164,582.20 = 65,543.82/x
3. Step 3: Cross multiply
   119,259.78x = 164,582.20 × 65,543.82
4. Step 4: Simplify right side
   119,259.78x = 10,787,346,092.00
5. Step 5: Solve for x
   x = 10,787,346,092.00/119,259.78
6. Step 6: Final answer
   x = 90,452.51