Finding the Fourth Proportional to 14,141.34, 21,209.82 and 7,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,141.34 : 21,209.82 = 7,897.50 : x
2. Step 2: Convert to fraction form
   14,141.34/21,209.82 = 7,897.50/x
3. Step 3: Cross multiply
   14,141.34x = 21,209.82 × 7,897.50
4. Step 4: Simplify right side
   14,141.34x = 167,504,553.45
5. Step 5: Solve for x
   x = 167,504,553.45/14,141.34
6. Step 6: Final answer
   x = 11,845.03