Finding the Fourth Proportional to 11,549.79, 17,326.31 and 3,756.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,549.79 : 17,326.31 = 3,756.78 : x
2. Step 2: Convert to fraction form
   11,549.79/17,326.31 = 3,756.78/x
3. Step 3: Cross multiply
   11,549.79x = 17,326.31 × 3,756.78
4. Step 4: Simplify right side
   11,549.79x = 65,091,116.10
5. Step 5: Solve for x
   x = 65,091,116.10/11,549.79
6. Step 6: Final answer
   x = 5,635.70