Finding the Fourth Proportional to 3,820.32, 5,704.61 and 3,031.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.32 : 5,704.61 = 3,031.47 : x
2. Step 2: Convert to fraction form
   3,820.32/5,704.61 = 3,031.47/x
3. Step 3: Cross multiply
   3,820.32x = 5,704.61 × 3,031.47
4. Step 4: Simplify right side
   3,820.32x = 17,293,333.13
5. Step 5: Solve for x
   x = 17,293,333.13/3,820.32
6. Step 6: Final answer
   x = 4,526.67