Finding the Fourth Proportional to 7,094.09, 9,789.76 and 3,907.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,094.09 : 9,789.76 = 3,907.31 : x
2. Step 2: Convert to fraction form
   7,094.09/9,789.76 = 3,907.31/x
3. Step 3: Cross multiply
   7,094.09x = 9,789.76 × 3,907.31
4. Step 4: Simplify right side
   7,094.09x = 38,251,627.15
5. Step 5: Solve for x
   x = 38,251,627.15/7,094.09
6. Step 6: Final answer
   x = 5,392.04