Finding the Fourth Proportional to 8,980.69, 12,393.37 and 5,204.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,980.69 : 12,393.37 = 5,204.59 : x
2. Step 2: Convert to fraction form
   8,980.69/12,393.37 = 5,204.59/x
3. Step 3: Cross multiply
   8,980.69x = 12,393.37 × 5,204.59
4. Step 4: Simplify right side
   8,980.69x = 64,502,409.57
5. Step 5: Solve for x
   x = 64,502,409.57/8,980.69
6. Step 6: Final answer
   x = 7,182.34