Finding the Fourth Proportional to 119,290.21, 164,616.30 and 65,574.84

Step by Step Solution

1. Step 1: Write the proportion equation
   119,290.21 : 164,616.30 = 65,574.84 : x
2. Step 2: Convert to fraction form
   119,290.21/164,616.30 = 65,574.84/x
3. Step 3: Cross multiply
   119,290.21x = 164,616.30 × 65,574.84
4. Step 4: Simplify right side
   119,290.21x = 10,794,687,533.89
5. Step 5: Solve for x
   x = 10,794,687,533.89/119,290.21
6. Step 6: Final answer
   x = 90,490.98