Finding the Fourth Proportional to 119,002.14, 164,217.51 and 65,286

Step by Step Solution

1. Step 1: Write the proportion equation
   119,002.14 : 164,217.51 = 65,286 : x
2. Step 2: Convert to fraction form
   119,002.14/164,217.51 = 65,286/x
3. Step 3: Cross multiply
   119,002.14x = 164,217.51 × 65,286
4. Step 4: Simplify right side
   119,002.14x = 10,721,104,357.86
5. Step 5: Solve for x
   x = 10,721,104,357.86/119,002.14
6. Step 6: Final answer
   x = 90,091.69