Finding the Fourth Proportional to 8,734.98, 12,056.82 and 5,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,734.98 : 12,056.82 = 5,200.56 : x
2. Step 2: Convert to fraction form
   8,734.98/12,056.82 = 5,200.56/x
3. Step 3: Cross multiply
   8,734.98x = 12,056.82 × 5,200.56
4. Step 4: Simplify right side
   8,734.98x = 62,702,215.82
5. Step 5: Solve for x
   x = 62,702,215.82/8,734.98
6. Step 6: Final answer
   x = 7,178.29