Finding the Fourth Proportional to 14,093.56, 21,138.66 and 3,706.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,093.56 : 21,138.66 = 3,706.12 : x
2. Step 2: Convert to fraction form
   14,093.56/21,138.66 = 3,706.12/x
3. Step 3: Cross multiply
   14,093.56x = 21,138.66 × 3,706.12
4. Step 4: Simplify right side
   14,093.56x = 78,342,410.60
5. Step 5: Solve for x
   x = 78,342,410.60/14,093.56
6. Step 6: Final answer
   x = 5,558.74