Finding the Fourth Proportional to 11,260.89, 16,889.42 and 3,763.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,260.89 : 16,889.42 = 3,763.61 : x
2. Step 2: Convert to fraction form
   11,260.89/16,889.42 = 3,763.61/x
3. Step 3: Cross multiply
   11,260.89x = 16,889.42 × 3,763.61
4. Step 4: Simplify right side
   11,260.89x = 63,565,086.74
5. Step 5: Solve for x
   x = 63,565,086.74/11,260.89
6. Step 6: Final answer
   x = 5,644.77