Finding the Fourth Proportional to 10,343.59, 14,274.09 and 5,627.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.59 : 14,274.09 = 5,627.89 : x
2. Step 2: Convert to fraction form
   10,343.59/14,274.09 = 5,627.89/x
3. Step 3: Cross multiply
   10,343.59x = 14,274.09 × 5,627.89
4. Step 4: Simplify right side
   10,343.59x = 80,333,008.37
5. Step 5: Solve for x
   x = 80,333,008.37/10,343.59
6. Step 6: Final answer
   x = 7,766.45