Finding the Fourth Proportional to 53,823.18, 80,728.42 and 14,383.34

Step by Step Solution

1. Step 1: Write the proportion equation
   53,823.18 : 80,728.42 = 14,383.34 : x
2. Step 2: Convert to fraction form
   53,823.18/80,728.42 = 14,383.34/x
3. Step 3: Cross multiply
   53,823.18x = 80,728.42 × 14,383.34
4. Step 4: Simplify right side
   53,823.18x = 1,161,144,312.52
5. Step 5: Solve for x
   x = 1,161,144,312.52/53,823.18
6. Step 6: Final answer
   x = 21,573.31