Finding the Fourth Proportional to 119,111.01, 164,373.51 and 65,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,111.01 : 164,373.51 = 65,399.50 : x
2. Step 2: Convert to fraction form
   119,111.01/164,373.51 = 65,399.50/x
3. Step 3: Cross multiply
   119,111.01x = 164,373.51 × 65,399.50
4. Step 4: Simplify right side
   119,111.01x = 10,749,945,450.09
5. Step 5: Solve for x
   x = 10,749,945,450.09/119,111.01
6. Step 6: Final answer
   x = 90,251.49