Finding the Fourth Proportional to 10,386.28, 14,333 and 5,670.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,386.28 : 14,333 = 5,670.56 : x
2. Step 2: Convert to fraction form
   10,386.28/14,333 = 5,670.56/x
3. Step 3: Cross multiply
   10,386.28x = 14,333 × 5,670.56
4. Step 4: Simplify right side
   10,386.28x = 81,276,136.48
5. Step 5: Solve for x
   x = 81,276,136.48/10,386.28
6. Step 6: Final answer
   x = 7,825.34