Finding the Fourth Proportional to 11,689.96, 17,535.12 and 3,370.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,689.96 : 17,535.12 = 3,370.72 : x
2. Step 2: Convert to fraction form
   11,689.96/17,535.12 = 3,370.72/x
3. Step 3: Cross multiply
   11,689.96x = 17,535.12 × 3,370.72
4. Step 4: Simplify right side
   11,689.96x = 59,105,979.69
5. Step 5: Solve for x
   x = 59,105,979.69/11,689.96
6. Step 6: Final answer
   x = 5,056.13