Finding the Fourth Proportional to 8,967.81, 13,451.78 and 3,124.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,967.81 : 13,451.78 = 3,124.41 : x
2. Step 2: Convert to fraction form
   8,967.81/13,451.78 = 3,124.41/x
3. Step 3: Cross multiply
   8,967.81x = 13,451.78 × 3,124.41
4. Step 4: Simplify right side
   8,967.81x = 42,028,875.95
5. Step 5: Solve for x
   x = 42,028,875.95/8,967.81
6. Step 6: Final answer
   x = 4,686.64