Finding the Fourth Proportional to 10,343.63, 14,274.12 and 5,627.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.63 : 14,274.12 = 5,627.91 : x
2. Step 2: Convert to fraction form
   10,343.63/14,274.12 = 5,627.91/x
3. Step 3: Cross multiply
   10,343.63x = 14,274.12 × 5,627.91
4. Step 4: Simplify right side
   10,343.63x = 80,333,462.69
5. Step 5: Solve for x
   x = 80,333,462.69/10,343.63
6. Step 6: Final answer
   x = 7,766.47