Finding the Fourth Proportional to 119,287.22, 164,620.15 and 65,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,287.22 : 164,620.15 = 65,574.50 : x
2. Step 2: Convert to fraction form
   119,287.22/164,620.15 = 65,574.50/x
3. Step 3: Cross multiply
   119,287.22x = 164,620.15 × 65,574.50
4. Step 4: Simplify right side
   119,287.22x = 10,794,883,039.14
5. Step 5: Solve for x
   x = 10,794,883,039.14/119,287.22
6. Step 6: Final answer
   x = 90,494.89