Finding the Fourth Proportional to 8,826.82, 13,240.06 and 3,561.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.82 : 13,240.06 = 3,561.72 : x
2. Step 2: Convert to fraction form
   8,826.82/13,240.06 = 3,561.72/x
3. Step 3: Cross multiply
   8,826.82x = 13,240.06 × 3,561.72
4. Step 4: Simplify right side
   8,826.82x = 47,157,386.50
5. Step 5: Solve for x
   x = 47,157,386.50/8,826.82
6. Step 6: Final answer
   x = 5,342.51