Finding the Fourth Proportional to 12,624.28, 18,925.38 and 5,224.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,624.28 : 18,925.38 = 5,224.12 : x
2. Step 2: Convert to fraction form
   12,624.28/18,925.38 = 5,224.12/x
3. Step 3: Cross multiply
   12,624.28x = 18,925.38 × 5,224.12
4. Step 4: Simplify right side
   12,624.28x = 98,868,456.17
5. Step 5: Solve for x
   x = 98,868,456.17/12,624.28
6. Step 6: Final answer
   x = 7,831.61