Finding the Fourth Proportional to 6,103.94, 9,139.50 and 5,021.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,103.94 : 9,139.50 = 5,021.37 : x
2. Step 2: Convert to fraction form
   6,103.94/9,139.50 = 5,021.37/x
3. Step 3: Cross multiply
   6,103.94x = 9,139.50 × 5,021.37
4. Step 4: Simplify right side
   6,103.94x = 45,892,811.12
5. Step 5: Solve for x
   x = 45,892,811.12/6,103.94
6. Step 6: Final answer
   x = 7,518.56