Finding the Fourth Proportional to 8,980.04, 12,394.47 and 5,830.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,980.04 : 12,394.47 = 5,830.76 : x
2. Step 2: Convert to fraction form
   8,980.04/12,394.47 = 5,830.76/x
3. Step 3: Cross multiply
   8,980.04x = 12,394.47 × 5,830.76
4. Step 4: Simplify right side
   8,980.04x = 72,269,179.90
5. Step 5: Solve for x
   x = 72,269,179.90/8,980.04
6. Step 6: Final answer
   x = 8,047.76