Finding the Fourth Proportional to 8,289.93, 12,428.69 and 5,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,289.93 : 12,428.69 = 5,002.25 : x
2. Step 2: Convert to fraction form
   8,289.93/12,428.69 = 5,002.25/x
3. Step 3: Cross multiply
   8,289.93x = 12,428.69 × 5,002.25
4. Step 4: Simplify right side
   8,289.93x = 62,171,327.40
5. Step 5: Solve for x
   x = 62,171,327.40/8,289.93
6. Step 6: Final answer
   x = 7,499.62