Finding the Fourth Proportional to 11,314.47, 15,624.47 and 7,288.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,314.47 : 15,624.47 = 7,288.29 : x
2. Step 2: Convert to fraction form
   11,314.47/15,624.47 = 7,288.29/x
3. Step 3: Cross multiply
   11,314.47x = 15,624.47 × 7,288.29
4. Step 4: Simplify right side
   11,314.47x = 113,875,707.52
5. Step 5: Solve for x
   x = 113,875,707.52/11,314.47
6. Step 6: Final answer
   x = 10,064.61