Finding the Fourth Proportional to 117,903.50, 162,710.24 and 64,189.43

Step by Step Solution

1. Step 1: Write the proportion equation
   117,903.50 : 162,710.24 = 64,189.43 : x
2. Step 2: Convert to fraction form
   117,903.50/162,710.24 = 64,189.43/x
3. Step 3: Cross multiply
   117,903.50x = 162,710.24 × 64,189.43
4. Step 4: Simplify right side
   117,903.50x = 10,444,277,036.43
5. Step 5: Solve for x
   x = 10,444,277,036.43/117,903.50
6. Step 6: Final answer
   x = 88,583.27