Finding the Fourth Proportional to 6,111.03, 8,433.14 and 3,720.45

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.03 : 8,433.14 = 3,720.45 : x
2. Step 2: Convert to fraction form
   6,111.03/8,433.14 = 3,720.45/x
3. Step 3: Cross multiply
   6,111.03x = 8,433.14 × 3,720.45
4. Step 4: Simplify right side
   6,111.03x = 31,375,057.11
5. Step 5: Solve for x
   x = 31,375,057.11/6,111.03
6. Step 6: Final answer
   x = 5,134.17