Finding the Fourth Proportional to 11,659.48, 17,486.76 and 3,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,659.48 : 17,486.76 = 3,762.72 : x
2. Step 2: Convert to fraction form
   11,659.48/17,486.76 = 3,762.72/x
3. Step 3: Cross multiply
   11,659.48x = 17,486.76 × 3,762.72
4. Step 4: Simplify right side
   11,659.48x = 65,797,781.59
5. Step 5: Solve for x
   x = 65,797,781.59/11,659.48
6. Step 6: Final answer
   x = 5,643.29