Finding the Fourth Proportional to 11,662.48, 17,483.18 and 4,261.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.48 : 17,483.18 = 4,261.72 : x
2. Step 2: Convert to fraction form
   11,662.48/17,483.18 = 4,261.72/x
3. Step 3: Cross multiply
   11,662.48x = 17,483.18 × 4,261.72
4. Step 4: Simplify right side
   11,662.48x = 74,508,417.87
5. Step 5: Solve for x
   x = 74,508,417.87/11,662.48
6. Step 6: Final answer
   x = 6,388.73