Finding the Fourth Proportional to 10,980.33, 16,458.70 and 4,743.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.33 : 16,458.70 = 4,743.28 : x
2. Step 2: Convert to fraction form
   10,980.33/16,458.70 = 4,743.28/x
3. Step 3: Cross multiply
   10,980.33x = 16,458.70 × 4,743.28
4. Step 4: Simplify right side
   10,980.33x = 78,068,222.54
5. Step 5: Solve for x
   x = 78,068,222.54/10,980.33
6. Step 6: Final answer
   x = 7,109.82