Finding the Fourth Proportional to 140,016.48, 193,188.24 and 85,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   140,016.48 : 193,188.24 = 85,554.72 : x
2. Step 2: Convert to fraction form
   140,016.48/193,188.24 = 85,554.72/x
3. Step 3: Cross multiply
   140,016.48x = 193,188.24 × 85,554.72
4. Step 4: Simplify right side
   140,016.48x = 16,528,165,780.49
5. Step 5: Solve for x
   x = 16,528,165,780.49/140,016.48
6. Step 6: Final answer
   x = 118,044.43