Finding the Fourth Proportional to 12,355.56, 17,050.69 and 7,052.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355.56 : 17,050.69 = 7,052.09 : x
2. Step 2: Convert to fraction form
   12,355.56/17,050.69 = 7,052.09/x
3. Step 3: Cross multiply
   12,355.56x = 17,050.69 × 7,052.09
4. Step 4: Simplify right side
   12,355.56x = 120,243,000.44
5. Step 5: Solve for x
   x = 120,243,000.44/12,355.56
6. Step 6: Final answer
   x = 9,731.89