Finding the Fourth Proportional to 10,606.32, 14,636.45 and 5,890.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,606.32 : 14,636.45 = 5,890.30 : x
2. Step 2: Convert to fraction form
   10,606.32/14,636.45 = 5,890.30/x
3. Step 3: Cross multiply
   10,606.32x = 14,636.45 × 5,890.30
4. Step 4: Simplify right side
   10,606.32x = 86,212,978.80
5. Step 5: Solve for x
   x = 86,212,978.80/10,606.32
6. Step 6: Final answer
   x = 8,128.45