Finding the Fourth Proportional to 160,481.83, 221,462.21 and 88,860.31

Step by Step Solution

1. Step 1: Write the proportion equation
   160,481.83 : 221,462.21 = 88,860.31 : x
2. Step 2: Convert to fraction form
   160,481.83/221,462.21 = 88,860.31/x
3. Step 3: Cross multiply
   160,481.83x = 221,462.21 × 88,860.31
4. Step 4: Simplify right side
   160,481.83x = 19,679,200,633.89
5. Step 5: Solve for x
   x = 19,679,200,633.89/160,481.83
6. Step 6: Final answer
   x = 122,625.72