Finding the Fourth Proportional to 16,667.83, 25,005.61 and 4,821.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,667.83 : 25,005.61 = 4,821.12 : x
2. Step 2: Convert to fraction form
   16,667.83/25,005.61 = 4,821.12/x
3. Step 3: Cross multiply
   16,667.83x = 25,005.61 × 4,821.12
4. Step 4: Simplify right side
   16,667.83x = 120,555,052.51
5. Step 5: Solve for x
   x = 120,555,052.51/16,667.83
6. Step 6: Final answer
   x = 7,232.80