Finding the Fourth Proportional to 119,411.21, 164,787.46 and 65,695.07

Step by Step Solution

1. Step 1: Write the proportion equation
   119,411.21 : 164,787.46 = 65,695.07 : x
2. Step 2: Convert to fraction form
   119,411.21/164,787.46 = 65,695.07/x
3. Step 3: Cross multiply
   119,411.21x = 164,787.46 × 65,695.07
4. Step 4: Simplify right side
   119,411.21x = 10,825,723,719.82
5. Step 5: Solve for x
   x = 10,825,723,719.82/119,411.21
6. Step 6: Final answer
   x = 90,659.20