Finding the Fourth Proportional to 160,296.93, 221,113.35 and 105,849.58

Step by Step Solution

1. Step 1: Write the proportion equation
   160,296.93 : 221,113.35 = 105,849.58 : x
2. Step 2: Convert to fraction form
   160,296.93/221,113.35 = 105,849.58/x
3. Step 3: Cross multiply
   160,296.93x = 221,113.35 × 105,849.58
4. Step 4: Simplify right side
   160,296.93x = 23,404,755,229.89
5. Step 5: Solve for x
   x = 23,404,755,229.89/160,296.93
6. Step 6: Final answer
   x = 146,008.76