Finding the Fourth Proportional to 14,128.92, 21,190.98 and 3,741.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.92 : 21,190.98 = 3,741.72 : x
2. Step 2: Convert to fraction form
   14,128.92/21,190.98 = 3,741.72/x
3. Step 3: Cross multiply
   14,128.92x = 21,190.98 × 3,741.72
4. Step 4: Simplify right side
   14,128.92x = 79,290,713.69
5. Step 5: Solve for x
   x = 79,290,713.69/14,128.92
6. Step 6: Final answer
   x = 5,611.94