Finding the Fourth Proportional to 110,128.60, 164,974.20 and 65,623.15

Step by Step Solution

1. Step 1: Write the proportion equation
   110,128.60 : 164,974.20 = 65,623.15 : x
2. Step 2: Convert to fraction form
   110,128.60/164,974.20 = 65,623.15/x
3. Step 3: Cross multiply
   110,128.60x = 164,974.20 × 65,623.15
4. Step 4: Simplify right side
   110,128.60x = 10,826,126,672.73
5. Step 5: Solve for x
   x = 10,826,126,672.73/110,128.60
6. Step 6: Final answer
   x = 98,304.41