Finding the Fourth Proportional to 14,578.35, 21,870.71 and 4,717.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,578.35 : 21,870.71 = 4,717.49 : x
2. Step 2: Convert to fraction form
   14,578.35/21,870.71 = 4,717.49/x
3. Step 3: Cross multiply
   14,578.35x = 21,870.71 × 4,717.49
4. Step 4: Simplify right side
   14,578.35x = 103,174,722.78
5. Step 5: Solve for x
   x = 103,174,722.78/14,578.35
6. Step 6: Final answer
   x = 7,077.26