Finding the Fourth Proportional to 445,300.48, 667,941.52 and 108,342.96

Step by Step Solution

1. Step 1: Write the proportion equation
   445,300.48 : 667,941.52 = 108,342.96 : x
2. Step 2: Convert to fraction form
   445,300.48/667,941.52 = 108,342.96/x
3. Step 3: Cross multiply
   445,300.48x = 667,941.52 × 108,342.96
4. Step 4: Simplify right side
   445,300.48x = 72,366,761,383.70
5. Step 5: Solve for x
   x = 72,366,761,383.70/445,300.48
6. Step 6: Final answer
   x = 162,512.20