Finding the Fourth Proportional to 12,555.05, 18,835.64 and 5,797.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,555.05 : 18,835.64 = 5,797.47 : x
2. Step 2: Convert to fraction form
   12,555.05/18,835.64 = 5,797.47/x
3. Step 3: Cross multiply
   12,555.05x = 18,835.64 × 5,797.47
4. Step 4: Simplify right side
   12,555.05x = 109,199,057.83
5. Step 5: Solve for x
   x = 109,199,057.83/12,555.05
6. Step 6: Final answer
   x = 8,697.62