Finding the Fourth Proportional to 11,401.91, 17,088.89 and 6,475.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.91 : 17,088.89 = 6,475.69 : x
2. Step 2: Convert to fraction form
   11,401.91/17,088.89 = 6,475.69/x
3. Step 3: Cross multiply
   11,401.91x = 17,088.89 × 6,475.69
4. Step 4: Simplify right side
   11,401.91x = 110,662,278.98
5. Step 5: Solve for x
   x = 110,662,278.98/11,401.91
6. Step 6: Final answer
   x = 9,705.60