Finding the Fourth Proportional to 119,007.30, 164,228.67 and 65,292.78

Step by Step Solution

1. Step 1: Write the proportion equation
   119,007.30 : 164,228.67 = 65,292.78 : x
2. Step 2: Convert to fraction form
   119,007.30/164,228.67 = 65,292.78/x
3. Step 3: Cross multiply
   119,007.30x = 164,228.67 × 65,292.78
4. Step 4: Simplify right side
   119,007.30x = 10,722,946,420.00
5. Step 5: Solve for x
   x = 10,722,946,420.00/119,007.30
6. Step 6: Final answer
   x = 90,103.27