Finding the Fourth Proportional to 119,290.43, 164,620.98 and 65,575.79

Step by Step Solution

1. Step 1: Write the proportion equation
   119,290.43 : 164,620.98 = 65,575.79 : x
2. Step 2: Convert to fraction form
   119,290.43/164,620.98 = 65,575.79/x
3. Step 3: Cross multiply
   119,290.43x = 164,620.98 × 65,575.79
4. Step 4: Simplify right side
   119,290.43x = 10,795,150,814.07
5. Step 5: Solve for x
   x = 10,795,150,814.07/119,290.43
6. Step 6: Final answer
   x = 90,494.69