Finding the Fourth Proportional to 12,553.98, 17,325.81 and 7,773.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,553.98 : 17,325.81 = 7,773.54 : x
2. Step 2: Convert to fraction form
   12,553.98/17,325.81 = 7,773.54/x
3. Step 3: Cross multiply
   12,553.98x = 17,325.81 × 7,773.54
4. Step 4: Simplify right side
   12,553.98x = 134,682,877.07
5. Step 5: Solve for x
   x = 134,682,877.07/12,553.98
6. Step 6: Final answer
   x = 10,728.30