Finding the Fourth Proportional to 8,748.39, 13,111.05 and 3,551.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.39 : 13,111.05 = 3,551.43 : x
2. Step 2: Convert to fraction form
   8,748.39/13,111.05 = 3,551.43/x
3. Step 3: Cross multiply
   8,748.39x = 13,111.05 × 3,551.43
4. Step 4: Simplify right side
   8,748.39x = 46,562,976.30
5. Step 5: Solve for x
   x = 46,562,976.30/8,748.39
6. Step 6: Final answer
   x = 5,322.46