Finding the Fourth Proportional to 12,627.12, 18,944.82 and 5,245.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,627.12 : 18,944.82 = 5,245.86 : x
2. Step 2: Convert to fraction form
   12,627.12/18,944.82 = 5,245.86/x
3. Step 3: Cross multiply
   12,627.12x = 18,944.82 × 5,245.86
4. Step 4: Simplify right side
   12,627.12x = 99,381,873.45
5. Step 5: Solve for x
   x = 99,381,873.45/12,627.12
6. Step 6: Final answer
   x = 7,870.51