Finding the Fourth Proportional to 3,820.34, 5,729.10 and 1,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.34 : 5,729.10 = 1,354.50 : x
2. Step 2: Convert to fraction form
   3,820.34/5,729.10 = 1,354.50/x
3. Step 3: Cross multiply
   3,820.34x = 5,729.10 × 1,354.50
4. Step 4: Simplify right side
   3,820.34x = 7,760,065.95
5. Step 5: Solve for x
   x = 7,760,065.95/3,820.34
6. Step 6: Final answer
   x = 2,031.25