Finding the Fourth Proportional to 11,385.04, 17,079.71 and 5,144.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,385.04 : 17,079.71 = 5,144.98 : x
2. Step 2: Convert to fraction form
   11,385.04/17,079.71 = 5,144.98/x
3. Step 3: Cross multiply
   11,385.04x = 17,079.71 × 5,144.98
4. Step 4: Simplify right side
   11,385.04x = 87,874,766.36
5. Step 5: Solve for x
   x = 87,874,766.36/11,385.04
6. Step 6: Final answer
   x = 7,718.44