Finding the Fourth Proportional to 8,619.51, 12,930.01 and 2,379.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,619.51 : 12,930.01 = 2,379.52 : x
2. Step 2: Convert to fraction form
   8,619.51/12,930.01 = 2,379.52/x
3. Step 3: Cross multiply
   8,619.51x = 12,930.01 × 2,379.52
4. Step 4: Simplify right side
   8,619.51x = 30,767,205.50
5. Step 5: Solve for x
   x = 30,767,205.50/8,619.51
6. Step 6: Final answer
   x = 3,569.49