Finding the Fourth Proportional to 11,521.05, 17,284.31 and 3,729.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,521.05 : 17,284.31 = 3,729.86 : x
2. Step 2: Convert to fraction form
   11,521.05/17,284.31 = 3,729.86/x
3. Step 3: Cross multiply
   11,521.05x = 17,284.31 × 3,729.86
4. Step 4: Simplify right side
   11,521.05x = 64,468,056.50
5. Step 5: Solve for x
   x = 64,468,056.50/11,521.05
6. Step 6: Final answer
   x = 5,595.68