Finding the Fourth Proportional to 84,615.32, 116,688.24 and 50,618.15

Step by Step Solution

1. Step 1: Write the proportion equation
   84,615.32 : 116,688.24 = 50,618.15 : x
2. Step 2: Convert to fraction form
   84,615.32/116,688.24 = 50,618.15/x
3. Step 3: Cross multiply
   84,615.32x = 116,688.24 × 50,618.15
4. Step 4: Simplify right side
   84,615.32x = 5,906,542,835.56
5. Step 5: Solve for x
   x = 5,906,542,835.56/84,615.32
6. Step 6: Final answer
   x = 69,804.65