Finding the Fourth Proportional to 11,238.41, 16,865.12 and 4,664.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,238.41 : 16,865.12 = 4,664.59 : x
2. Step 2: Convert to fraction form
   11,238.41/16,865.12 = 4,664.59/x
3. Step 3: Cross multiply
   11,238.41x = 16,865.12 × 4,664.59
4. Step 4: Simplify right side
   11,238.41x = 78,668,839.60
5. Step 5: Solve for x
   x = 78,668,839.60/11,238.41
6. Step 6: Final answer
   x = 7,000.00