Finding the Fourth Proportional to 12,980.88, 19,466.04 and 4,095.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980.88 : 19,466.04 = 4,095.12 : x
2. Step 2: Convert to fraction form
   12,980.88/19,466.04 = 4,095.12/x
3. Step 3: Cross multiply
   12,980.88x = 19,466.04 × 4,095.12
4. Step 4: Simplify right side
   12,980.88x = 79,715,769.72
5. Step 5: Solve for x
   x = 79,715,769.72/12,980.88
6. Step 6: Final answer
   x = 6,141.01