Finding the Fourth Proportional to 160,699.02, 221,741.34 and 89,079

Step by Step Solution

1. Step 1: Write the proportion equation
   160,699.02 : 221,741.34 = 89,079 : x
2. Step 2: Convert to fraction form
   160,699.02/221,741.34 = 89,079/x
3. Step 3: Cross multiply
   160,699.02x = 221,741.34 × 89,079
4. Step 4: Simplify right side
   160,699.02x = 19,752,496,825.86
5. Step 5: Solve for x
   x = 19,752,496,825.86/160,699.02
6. Step 6: Final answer
   x = 122,916.10