Finding the Fourth Proportional to 119,258.78, 164,580.82 and 65,542.82

Step by Step Solution

1. Step 1: Write the proportion equation
   119,258.78 : 164,580.82 = 65,542.82 : x
2. Step 2: Convert to fraction form
   119,258.78/164,580.82 = 65,542.82/x
3. Step 3: Cross multiply
   119,258.78x = 164,580.82 × 65,542.82
4. Step 4: Simplify right side
   119,258.78x = 10,787,091,060.71
5. Step 5: Solve for x
   x = 10,787,091,060.71/119,258.78
6. Step 6: Final answer
   x = 90,451.13