Finding the Fourth Proportional to 11,190.69, 16,783.43 and 4,947.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,190.69 : 16,783.43 = 4,947.32 : x
2. Step 2: Convert to fraction form
   11,190.69/16,783.43 = 4,947.32/x
3. Step 3: Cross multiply
   11,190.69x = 16,783.43 × 4,947.32
4. Step 4: Simplify right side
   11,190.69x = 83,032,890.25
5. Step 5: Solve for x
   x = 83,032,890.25/11,190.69
6. Step 6: Final answer
   x = 7,419.82