Finding the Fourth Proportional to 445,784.72, 668,674.76 and 108,827.15

Step by Step Solution

1. Step 1: Write the proportion equation
   445,784.72 : 668,674.76 = 108,827.15 : x
2. Step 2: Convert to fraction form
   445,784.72/668,674.76 = 108,827.15/x
3. Step 3: Cross multiply
   445,784.72x = 668,674.76 × 108,827.15
4. Step 4: Simplify right side
   445,784.72x = 72,769,964,520.22
5. Step 5: Solve for x
   x = 72,769,964,520.22/445,784.72
6. Step 6: Final answer
   x = 163,240.15