Finding the Fourth Proportional to 8,980.72, 13,468.58 and 5,371.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,980.72 : 13,468.58 = 5,371.95 : x
2. Step 2: Convert to fraction form
   8,980.72/13,468.58 = 5,371.95/x
3. Step 3: Cross multiply
   8,980.72x = 13,468.58 × 5,371.95
4. Step 4: Simplify right side
   8,980.72x = 72,352,538.33
5. Step 5: Solve for x
   x = 72,352,538.33/8,980.72
6. Step 6: Final answer
   x = 8,056.43