Finding the Fourth Proportional to 14,072.29, 21,100.64 and 5,758.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,072.29 : 21,100.64 = 5,758.14 : x
2. Step 2: Convert to fraction form
   14,072.29/21,100.64 = 5,758.14/x
3. Step 3: Cross multiply
   14,072.29x = 21,100.64 × 5,758.14
4. Step 4: Simplify right side
   14,072.29x = 121,500,439.21
5. Step 5: Solve for x
   x = 121,500,439.21/14,072.29
6. Step 6: Final answer
   x = 8,634.02