Finding the Fourth Proportional to 10,316.31, 14,236.47 and 5,600.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,316.31 : 14,236.47 = 5,600.57 : x
2. Step 2: Convert to fraction form
   10,316.31/14,236.47 = 5,600.57/x
3. Step 3: Cross multiply
   10,316.31x = 14,236.47 × 5,600.57
4. Step 4: Simplify right side
   10,316.31x = 79,732,275.61
5. Step 5: Solve for x
   x = 79,732,275.61/10,316.31
6. Step 6: Final answer
   x = 7,728.76