Finding the Fourth Proportional to 119,018.88, 164,256.71 and 65,314.37

Step by Step Solution

1. Step 1: Write the proportion equation
   119,018.88 : 164,256.71 = 65,314.37 : x
2. Step 2: Convert to fraction form
   119,018.88/164,256.71 = 65,314.37/x
3. Step 3: Cross multiply
   119,018.88x = 164,256.71 × 65,314.37
4. Step 4: Simplify right side
   119,018.88x = 10,728,323,531.92
5. Step 5: Solve for x
   x = 10,728,323,531.92/119,018.88
6. Step 6: Final answer
   x = 90,139.68