Finding the Fourth Proportional to 11,805.98, 17,704.84 and 3,483.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,805.98 : 17,704.84 = 3,483.78 : x
2. Step 2: Convert to fraction form
   11,805.98/17,704.84 = 3,483.78/x
3. Step 3: Cross multiply
   11,805.98x = 17,704.84 × 3,483.78
4. Step 4: Simplify right side
   11,805.98x = 61,679,767.50
5. Step 5: Solve for x
   x = 61,679,767.50/11,805.98
6. Step 6: Final answer
   x = 5,224.45