Finding the Fourth Proportional to 10,858.29, 14,984.43 and 5,890.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,858.29 : 14,984.43 = 5,890.29 : x
2. Step 2: Convert to fraction form
   10,858.29/14,984.43 = 5,890.29/x
3. Step 3: Cross multiply
   10,858.29x = 14,984.43 × 5,890.29
4. Step 4: Simplify right side
   10,858.29x = 88,262,563.26
5. Step 5: Solve for x
   x = 88,262,563.26/10,858.29
6. Step 6: Final answer
   x = 8,128.59