Finding the Fourth Proportional to 117,586.72, 162,272.69 and 63,874.81

Step by Step Solution

1. Step 1: Write the proportion equation
   117,586.72 : 162,272.69 = 63,874.81 : x
2. Step 2: Convert to fraction form
   117,586.72/162,272.69 = 63,874.81/x
3. Step 3: Cross multiply
   117,586.72x = 162,272.69 × 63,874.81
4. Step 4: Simplify right side
   117,586.72x = 10,365,136,995.94
5. Step 5: Solve for x
   x = 10,365,136,995.94/117,586.72
6. Step 6: Final answer
   x = 88,148.88