Finding the Fourth Proportional to 117,608, 162,309.28 and 64,626.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,608 : 162,309.28 = 64,626.24 : x
2. Step 2: Convert to fraction form
   117,608/162,309.28 = 64,626.24/x
3. Step 3: Cross multiply
   117,608x = 162,309.28 × 64,626.24
4. Step 4: Simplify right side
   117,608x = 10,489,438,483.51
5. Step 5: Solve for x
   x = 10,489,438,483.51/117,608
6. Step 6: Final answer
   x = 89,189.84