Finding the Fourth Proportional to 14,081.49, 21,021.35 and 13,097.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,081.49 : 21,021.35 = 13,097.34 : x
2. Step 2: Convert to fraction form
   14,081.49/21,021.35 = 13,097.34/x
3. Step 3: Cross multiply
   14,081.49x = 21,021.35 × 13,097.34
4. Step 4: Simplify right side
   14,081.49x = 275,323,702.72
5. Step 5: Solve for x
   x = 275,323,702.72/14,081.49
6. Step 6: Final answer
   x = 19,552.17