Finding the Fourth Proportional to 10,627.89, 14,666.28 and 5,912.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,627.89 : 14,666.28 = 5,912.07 : x
2. Step 2: Convert to fraction form
   10,627.89/14,666.28 = 5,912.07/x
3. Step 3: Cross multiply
   10,627.89x = 14,666.28 × 5,912.07
4. Step 4: Simplify right side
   10,627.89x = 86,708,074.00
5. Step 5: Solve for x
   x = 86,708,074.00/10,627.89
6. Step 6: Final answer
   x = 8,158.54