Finding the Fourth Proportional to 119,111.19, 164,373.77 and 65,399.69

Step by Step Solution

1. Step 1: Write the proportion equation
   119,111.19 : 164,373.77 = 65,399.69 : x
2. Step 2: Convert to fraction form
   119,111.19/164,373.77 = 65,399.69/x
3. Step 3: Cross multiply
   119,111.19x = 164,373.77 × 65,399.69
4. Step 4: Simplify right side
   119,111.19x = 10,749,992,780.26
5. Step 5: Solve for x
   x = 10,749,992,780.26/119,111.19
6. Step 6: Final answer
   x = 90,251.75