Finding the Fourth Proportional to 11,191.72, 16,789.92 and 3,801.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,191.72 : 16,789.92 = 3,801.40 : x
2. Step 2: Convert to fraction form
   11,191.72/16,789.92 = 3,801.40/x
3. Step 3: Cross multiply
   11,191.72x = 16,789.92 × 3,801.40
4. Step 4: Simplify right side
   11,191.72x = 63,825,201.89
5. Step 5: Solve for x
   x = 63,825,201.89/11,191.72
6. Step 6: Final answer
   x = 5,702.89