Finding the Fourth Proportional to 14,075.34, 21,114.18 and 3,687

Step by Step Solution

1. Step 1: Write the proportion equation
   14,075.34 : 21,114.18 = 3,687 : x
2. Step 2: Convert to fraction form
   14,075.34/21,114.18 = 3,687/x
3. Step 3: Cross multiply
   14,075.34x = 21,114.18 × 3,687
4. Step 4: Simplify right side
   14,075.34x = 77,847,981.66
5. Step 5: Solve for x
   x = 77,847,981.66/14,075.34
6. Step 6: Final answer
   x = 5,530.81