Finding the Fourth Proportional to 10,046.63, 13,859.89 and 7,064.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,046.63 : 13,859.89 = 7,064.39 : x
2. Step 2: Convert to fraction form
   10,046.63/13,859.89 = 7,064.39/x
3. Step 3: Cross multiply
   10,046.63x = 13,859.89 × 7,064.39
4. Step 4: Simplify right side
   10,046.63x = 97,911,668.32
5. Step 5: Solve for x
   x = 97,911,668.32/10,046.63
6. Step 6: Final answer
   x = 9,745.72