Finding the Fourth Proportional to 12,951.85, 19,424.89 and 5,054.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951.85 : 19,424.89 = 5,054.58 : x
2. Step 2: Convert to fraction form
   12,951.85/19,424.89 = 5,054.58/x
3. Step 3: Cross multiply
   12,951.85x = 19,424.89 × 5,054.58
4. Step 4: Simplify right side
   12,951.85x = 98,184,660.50
5. Step 5: Solve for x
   x = 98,184,660.50/12,951.85
6. Step 6: Final answer
   x = 7,580.74