Finding the Fourth Proportional to 11,401.50, 17,090.63 and 6,460.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.50 : 17,090.63 = 6,460.71 : x
2. Step 2: Convert to fraction form
   11,401.50/17,090.63 = 6,460.71/x
3. Step 3: Cross multiply
   11,401.50x = 17,090.63 × 6,460.71
4. Step 4: Simplify right side
   11,401.50x = 110,417,531.98
5. Step 5: Solve for x
   x = 110,417,531.98/11,401.50
6. Step 6: Final answer
   x = 9,684.47