Finding the Fourth Proportional to 11,808.77, 17,707.83 and 3,485.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,808.77 : 17,707.83 = 3,485.93 : x
2. Step 2: Convert to fraction form
   11,808.77/17,707.83 = 3,485.93/x
3. Step 3: Cross multiply
   11,808.77x = 17,707.83 × 3,485.93
4. Step 4: Simplify right side
   11,808.77x = 61,728,167.29
5. Step 5: Solve for x
   x = 61,728,167.29/11,808.77
6. Step 6: Final answer
   x = 5,227.32