Finding the Fourth Proportional to 108,156.67, 162,120.12 and 63,804.31

Step by Step Solution

1. Step 1: Write the proportion equation
   108,156.67 : 162,120.12 = 63,804.31 : x
2. Step 2: Convert to fraction form
   108,156.67/162,120.12 = 63,804.31/x
3. Step 3: Cross multiply
   108,156.67x = 162,120.12 × 63,804.31
4. Step 4: Simplify right side
   108,156.67x = 10,343,962,393.72
5. Step 5: Solve for x
   x = 10,343,962,393.72/108,156.67
6. Step 6: Final answer
   x = 95,638.69