Finding the Fourth Proportional to 8,705.61, 13,047.69 and 3,435.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,705.61 : 13,047.69 = 3,435.33 : x
2. Step 2: Convert to fraction form
   8,705.61/13,047.69 = 3,435.33/x
3. Step 3: Cross multiply
   8,705.61x = 13,047.69 × 3,435.33
4. Step 4: Simplify right side
   8,705.61x = 44,823,120.89
5. Step 5: Solve for x
   x = 44,823,120.89/8,705.61
6. Step 6: Final answer
   x = 5,148.76