Finding the Fourth Proportional to 119,290.71, 164,616.99 and 65,575.34

Step by Step Solution

1. Step 1: Write the proportion equation
   119,290.71 : 164,616.99 = 65,575.34 : x
2. Step 2: Convert to fraction form
   119,290.71/164,616.99 = 65,575.34/x
3. Step 3: Cross multiply
   119,290.71x = 164,616.99 × 65,575.34
4. Step 4: Simplify right side
   119,290.71x = 10,794,815,089.03
5. Step 5: Solve for x
   x = 10,794,815,089.03/119,290.71
6. Step 6: Final answer
   x = 90,491.67