Finding the Fourth Proportional to 11,357.37, 17,038.86 and 3,961.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,357.37 : 17,038.86 = 3,961.89 : x
2. Step 2: Convert to fraction form
   11,357.37/17,038.86 = 3,961.89/x
3. Step 3: Cross multiply
   11,357.37x = 17,038.86 × 3,961.89
4. Step 4: Simplify right side
   11,357.37x = 67,506,089.05
5. Step 5: Solve for x
   x = 67,506,089.05/11,357.37
6. Step 6: Final answer
   x = 5,943.81