Finding the Fourth Proportional to 11,191.13, 16,783.27 and 3,693.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,191.13 : 16,783.27 = 3,693.31 : x
2. Step 2: Convert to fraction form
   11,191.13/16,783.27 = 3,693.31/x
3. Step 3: Cross multiply
   11,191.13x = 16,783.27 × 3,693.31
4. Step 4: Simplify right side
   11,191.13x = 61,985,818.92
5. Step 5: Solve for x
   x = 61,985,818.92/11,191.13
6. Step 6: Final answer
   x = 5,538.83