Finding the Fourth Proportional to 14,113.56, 21,168.72 and 3,726.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,113.56 : 21,168.72 = 3,726.12 : x
2. Step 2: Convert to fraction form
   14,113.56/21,168.72 = 3,726.12/x
3. Step 3: Cross multiply
   14,113.56x = 21,168.72 × 3,726.12
4. Step 4: Simplify right side
   14,113.56x = 78,877,190.97
5. Step 5: Solve for x
   x = 78,877,190.97/14,113.56
6. Step 6: Final answer
   x = 5,588.75