Finding the Fourth Proportional to 14,680.04, 21,978.07 and 13,748.94

Step by Step Solution

1. Step 1: Write the proportion equation
   14,680.04 : 21,978.07 = 13,748.94 : x
2. Step 2: Convert to fraction form
   14,680.04/21,978.07 = 13,748.94/x
3. Step 3: Cross multiply
   14,680.04x = 21,978.07 × 13,748.94
4. Step 4: Simplify right side
   14,680.04x = 302,175,131.37
5. Step 5: Solve for x
   x = 302,175,131.37/14,680.04
6. Step 6: Final answer
   x = 20,584.09