Finding the Fourth Proportional to 108,240.71, 162,300.31 and 74,546.33

Step by Step Solution

1. Step 1: Write the proportion equation
   108,240.71 : 162,300.31 = 74,546.33 : x
2. Step 2: Convert to fraction form
   108,240.71/162,300.31 = 74,546.33/x
3. Step 3: Cross multiply
   108,240.71x = 162,300.31 × 74,546.33
4. Step 4: Simplify right side
   108,240.71x = 12,098,891,470.49
5. Step 5: Solve for x
   x = 12,098,891,470.49/108,240.71
6. Step 6: Final answer
   x = 111,777.65