Finding the Fourth Proportional to 10,194.54, 14,068.25 and 5,718.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,194.54 : 14,068.25 = 5,718.20 : x
2. Step 2: Convert to fraction form
   10,194.54/14,068.25 = 5,718.20/x
3. Step 3: Cross multiply
   10,194.54x = 14,068.25 × 5,718.20
4. Step 4: Simplify right side
   10,194.54x = 80,444,968.22
5. Step 5: Solve for x
   x = 80,444,968.22/10,194.54
6. Step 6: Final answer
   x = 7,890.99