Finding the Fourth Proportional to 6,090.39, 8,404.70 and 3,438.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,090.39 : 8,404.70 = 3,438.32 : x
2. Step 2: Convert to fraction form
   6,090.39/8,404.70 = 3,438.32/x
3. Step 3: Cross multiply
   6,090.39x = 8,404.70 × 3,438.32
4. Step 4: Simplify right side
   6,090.39x = 28,897,988.89
5. Step 5: Solve for x
   x = 28,897,988.89/6,090.39
6. Step 6: Final answer
   x = 4,744.85