Finding the Fourth Proportional to 5,920.02, 8,161.56 and 3,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,920.02 : 8,161.56 = 3,820.50 : x
2. Step 2: Convert to fraction form
   5,920.02/8,161.56 = 3,820.50/x
3. Step 3: Cross multiply
   5,920.02x = 8,161.56 × 3,820.50
4. Step 4: Simplify right side
   5,920.02x = 31,181,239.98
5. Step 5: Solve for x
   x = 31,181,239.98/5,920.02
6. Step 6: Final answer
   x = 5,267.08