Finding the Fourth Proportional to 160,411.02, 221,364.42 and 88,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   160,411.02 : 221,364.42 = 88,789.48 : x
2. Step 2: Convert to fraction form
   160,411.02/221,364.42 = 88,789.48/x
3. Step 3: Cross multiply
   160,411.02x = 221,364.42 × 88,789.48
4. Step 4: Simplify right side
   160,411.02x = 19,654,831,742.30
5. Step 5: Solve for x
   x = 19,654,831,742.30/160,411.02
6. Step 6: Final answer
   x = 122,527.94