Finding the Fourth Proportional to 12,483.84, 17,223.22 and 7,378.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.84 : 17,223.22 = 7,378.28 : x
2. Step 2: Convert to fraction form
   12,483.84/17,223.22 = 7,378.28/x
3. Step 3: Cross multiply
   12,483.84x = 17,223.22 × 7,378.28
4. Step 4: Simplify right side
   12,483.84x = 127,077,838.72
5. Step 5: Solve for x
   x = 127,077,838.72/12,483.84
6. Step 6: Final answer
   x = 10,179.39