Finding the Fourth Proportional to 12,054.78, 16,634.70 and 7,019.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.78 : 16,634.70 = 7,019.04 : x
2. Step 2: Convert to fraction form
   12,054.78/16,634.70 = 7,019.04/x
3. Step 3: Cross multiply
   12,054.78x = 16,634.70 × 7,019.04
4. Step 4: Simplify right side
   12,054.78x = 116,759,624.69
5. Step 5: Solve for x
   x = 116,759,624.69/12,054.78
6. Step 6: Final answer
   x = 9,685.75