Finding the Fourth Proportional to 11,707.59, 17,561.41 and 4,782.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,707.59 : 17,561.41 = 4,782.09 : x
2. Step 2: Convert to fraction form
   11,707.59/17,561.41 = 4,782.09/x
3. Step 3: Cross multiply
   11,707.59x = 17,561.41 × 4,782.09
4. Step 4: Simplify right side
   11,707.59x = 83,980,297.05
5. Step 5: Solve for x
   x = 83,980,297.05/11,707.59
6. Step 6: Final answer
   x = 7,173.15