Finding the Fourth Proportional to 119,359.47, 164,716.34 and 65,643.41

Step by Step Solution

1. Step 1: Write the proportion equation
   119,359.47 : 164,716.34 = 65,643.41 : x
2. Step 2: Convert to fraction form
   119,359.47/164,716.34 = 65,643.41/x
3. Step 3: Cross multiply
   119,359.47x = 164,716.34 × 65,643.41
4. Step 4: Simplify right side
   119,359.47x = 10,812,542,323.89
5. Step 5: Solve for x
   x = 10,812,542,323.89/119,359.47
6. Step 6: Final answer
   x = 90,588.05