Finding the Fourth Proportional to 12,417.62, 18,630.48 and 5,018.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.62 : 18,630.48 = 5,018.28 : x
2. Step 2: Convert to fraction form
   12,417.62/18,630.48 = 5,018.28/x
3. Step 3: Cross multiply
   12,417.62x = 18,630.48 × 5,018.28
4. Step 4: Simplify right side
   12,417.62x = 93,492,965.17
5. Step 5: Solve for x
   x = 93,492,965.17/12,417.62
6. Step 6: Final answer
   x = 7,529.06