Finding the Fourth Proportional to 12,830.56, 17,706.12 and 7,241.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,830.56 : 17,706.12 = 7,241.52 : x
2. Step 2: Convert to fraction form
   12,830.56/17,706.12 = 7,241.52/x
3. Step 3: Cross multiply
   12,830.56x = 17,706.12 × 7,241.52
4. Step 4: Simplify right side
   12,830.56x = 128,219,222.10
5. Step 5: Solve for x
   x = 128,219,222.10/12,830.56
6. Step 6: Final answer
   x = 9,993.27