Finding the Fourth Proportional to 11,705.77, 17,559.17 and 3,386.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,705.77 : 17,559.17 = 3,386.63 : x
2. Step 2: Convert to fraction form
   11,705.77/17,559.17 = 3,386.63/x
3. Step 3: Cross multiply
   11,705.77x = 17,559.17 × 3,386.63
4. Step 4: Simplify right side
   11,705.77x = 59,466,307.17
5. Step 5: Solve for x
   x = 59,466,307.17/11,705.77
6. Step 6: Final answer
   x = 5,080.09