Finding the Fourth Proportional to 7,019.56, 10,531.74 and 3,126.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.56 : 10,531.74 = 3,126.68 : x
2. Step 2: Convert to fraction form
   7,019.56/10,531.74 = 3,126.68/x
3. Step 3: Cross multiply
   7,019.56x = 10,531.74 × 3,126.68
4. Step 4: Simplify right side
   7,019.56x = 32,929,380.82
5. Step 5: Solve for x
   x = 32,929,380.82/7,019.56
6. Step 6: Final answer
   x = 4,691.09