Finding the Fourth Proportional to 12,981.16, 19,475.88 and 4,096.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981.16 : 19,475.88 = 4,096.18 : x
2. Step 2: Convert to fraction form
   12,981.16/19,475.88 = 4,096.18/x
3. Step 3: Cross multiply
   12,981.16x = 19,475.88 × 4,096.18
4. Step 4: Simplify right side
   12,981.16x = 79,776,710.14
5. Step 5: Solve for x
   x = 79,776,710.14/12,981.16
6. Step 6: Final answer
   x = 6,145.58