Finding the Fourth Proportional to 119,109.51, 164,373.18 and 65,396.79

Step by Step Solution

1. Step 1: Write the proportion equation
   119,109.51 : 164,373.18 = 65,396.79 : x
2. Step 2: Convert to fraction form
   119,109.51/164,373.18 = 65,396.79/x
3. Step 3: Cross multiply
   119,109.51x = 164,373.18 × 65,396.79
4. Step 4: Simplify right side
   119,109.51x = 10,749,478,334.09
5. Step 5: Solve for x
   x = 10,749,478,334.09/119,109.51
6. Step 6: Final answer
   x = 90,248.70