Finding the Fourth Proportional to 10,430.37, 14,394.24 and 5,715.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,430.37 : 14,394.24 = 5,715.09 : x
2. Step 2: Convert to fraction form
   10,430.37/14,394.24 = 5,715.09/x
3. Step 3: Cross multiply
   10,430.37x = 14,394.24 × 5,715.09
4. Step 4: Simplify right side
   10,430.37x = 82,264,377.08
5. Step 5: Solve for x
   x = 82,264,377.08/10,430.37
6. Step 6: Final answer
   x = 7,887.00