Finding the Fourth Proportional to 117,730.37, 162,467.03 and 64,015.43

Step by Step Solution

1. Step 1: Write the proportion equation
   117,730.37 : 162,467.03 = 64,015.43 : x
2. Step 2: Convert to fraction form
   117,730.37/162,467.03 = 64,015.43/x
3. Step 3: Cross multiply
   117,730.37x = 162,467.03 × 64,015.43
4. Step 4: Simplify right side
   117,730.37x = 10,400,395,653.86
5. Step 5: Solve for x
   x = 10,400,395,653.86/117,730.37
6. Step 6: Final answer
   x = 88,340.81