Finding the Fourth Proportional to 11,605.15, 17,410.22 and 3,705.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,605.15 : 17,410.22 = 3,705.81 : x
2. Step 2: Convert to fraction form
   11,605.15/17,410.22 = 3,705.81/x
3. Step 3: Cross multiply
   11,605.15x = 17,410.22 × 3,705.81
4. Step 4: Simplify right side
   11,605.15x = 64,518,875.69
5. Step 5: Solve for x
   x = 64,518,875.69/11,605.15
6. Step 6: Final answer
   x = 5,559.51