Finding the Fourth Proportional to 6,090.89, 8,406.23 and 3,438.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,090.89 : 8,406.23 = 3,438.38 : x
2. Step 2: Convert to fraction form
   6,090.89/8,406.23 = 3,438.38/x
3. Step 3: Cross multiply
   6,090.89x = 8,406.23 × 3,438.38
4. Step 4: Simplify right side
   6,090.89x = 28,903,753.88
5. Step 5: Solve for x
   x = 28,903,753.88/6,090.89
6. Step 6: Final answer
   x = 4,745.41