Finding the Fourth Proportional to 160,300.68, 221,218.83 and 88,682.10

Step by Step Solution

1. Step 1: Write the proportion equation
   160,300.68 : 221,218.83 = 88,682.10 : x
2. Step 2: Convert to fraction form
   160,300.68/221,218.83 = 88,682.10/x
3. Step 3: Cross multiply
   160,300.68x = 221,218.83 × 88,682.10
4. Step 4: Simplify right side
   160,300.68x = 19,618,150,403.94
5. Step 5: Solve for x
   x = 19,618,150,403.94/160,300.68
6. Step 6: Final answer
   x = 122,383.45