Finding the Fourth Proportional to 9,063.48, 13,579.82 and 4,385.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,063.48 : 13,579.82 = 4,385.70 : x
2. Step 2: Convert to fraction form
   9,063.48/13,579.82 = 4,385.70/x
3. Step 3: Cross multiply
   9,063.48x = 13,579.82 × 4,385.70
4. Step 4: Simplify right side
   9,063.48x = 59,557,016.57
5. Step 5: Solve for x
   x = 59,557,016.57/9,063.48
6. Step 6: Final answer
   x = 6,571.10