Finding the Fourth Proportional to 10,340.28, 14,256.27 and 7,511.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340.28 : 14,256.27 = 7,511.76 : x
2. Step 2: Convert to fraction form
   10,340.28/14,256.27 = 7,511.76/x
3. Step 3: Cross multiply
   10,340.28x = 14,256.27 × 7,511.76
4. Step 4: Simplify right side
   10,340.28x = 107,089,678.74
5. Step 5: Solve for x
   x = 107,089,678.74/10,340.28
6. Step 6: Final answer
   x = 10,356.56