Finding the Fourth Proportional to 10,343.60, 14,274.28 and 5,627.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.60 : 14,274.28 = 5,627.88 : x
2. Step 2: Convert to fraction form
   10,343.60/14,274.28 = 5,627.88/x
3. Step 3: Cross multiply
   10,343.60x = 14,274.28 × 5,627.88
4. Step 4: Simplify right side
   10,343.60x = 80,333,910.30
5. Step 5: Solve for x
   x = 80,333,910.30/10,343.60
6. Step 6: Final answer
   x = 7,766.53