Finding the Fourth Proportional to 8,701.56, 13,053.54 and 3,507

Step by Step Solution

1. Step 1: Write the proportion equation
   8,701.56 : 13,053.54 = 3,507 : x
2. Step 2: Convert to fraction form
   8,701.56/13,053.54 = 3,507/x
3. Step 3: Cross multiply
   8,701.56x = 13,053.54 × 3,507
4. Step 4: Simplify right side
   8,701.56x = 45,778,764.78
5. Step 5: Solve for x
   x = 45,778,764.78/8,701.56
6. Step 6: Final answer
   x = 5,260.98