Finding the Fourth Proportional to 117,585.72, 162,271.31 and 63,873.81

Step by Step Solution

1. Step 1: Write the proportion equation
   117,585.72 : 162,271.31 = 63,873.81 : x
2. Step 2: Convert to fraction form
   117,585.72/162,271.31 = 63,873.81/x
3. Step 3: Cross multiply
   117,585.72x = 162,271.31 × 63,873.81
4. Step 4: Simplify right side
   117,585.72x = 10,364,886,823.39
5. Step 5: Solve for x
   x = 10,364,886,823.39/117,585.72
6. Step 6: Final answer
   x = 88,147.50