Finding the Fourth Proportional to 12,499.44, 18,754.34 and 5,475.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.44 : 18,754.34 = 5,475.83 : x
2. Step 2: Convert to fraction form
   12,499.44/18,754.34 = 5,475.83/x
3. Step 3: Cross multiply
   12,499.44x = 18,754.34 × 5,475.83
4. Step 4: Simplify right side
   12,499.44x = 102,695,456.45
5. Step 5: Solve for x
   x = 102,695,456.45/12,499.44
6. Step 6: Final answer
   x = 8,216.00