Finding the Fourth Proportional to 8,429.69, 12,645.84 and 3,751.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.69 : 12,645.84 = 3,751.32 : x
2. Step 2: Convert to fraction form
   8,429.69/12,645.84 = 3,751.32/x
3. Step 3: Cross multiply
   8,429.69x = 12,645.84 × 3,751.32
4. Step 4: Simplify right side
   8,429.69x = 47,438,592.51
5. Step 5: Solve for x
   x = 47,438,592.51/8,429.69
6. Step 6: Final answer
   x = 5,627.56