Finding the Fourth Proportional to 19,845.57, 29,768.51 and 5,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,845.57 : 29,768.51 = 5,054.50 : x
2. Step 2: Convert to fraction form
   19,845.57/29,768.51 = 5,054.50/x
3. Step 3: Cross multiply
   19,845.57x = 29,768.51 × 5,054.50
4. Step 4: Simplify right side
   19,845.57x = 150,464,983.64
5. Step 5: Solve for x
   x = 150,464,983.64/19,845.57
6. Step 6: Final answer
   x = 7,581.79