Finding the Fourth Proportional to 11,707.38, 17,558.96 and 3,385.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,707.38 : 17,558.96 = 3,385.35 : x
2. Step 2: Convert to fraction form
   11,707.38/17,558.96 = 3,385.35/x
3. Step 3: Cross multiply
   11,707.38x = 17,558.96 × 3,385.35
4. Step 4: Simplify right side
   11,707.38x = 59,443,208.31
5. Step 5: Solve for x
   x = 59,443,208.31/11,707.38
6. Step 6: Final answer
   x = 5,077.41