Finding the Fourth Proportional to 6,100.99, 9,138.72 and 3,898.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,100.99 : 9,138.72 = 3,898.54 : x
2. Step 2: Convert to fraction form
   6,100.99/9,138.72 = 3,898.54/x
3. Step 3: Cross multiply
   6,100.99x = 9,138.72 × 3,898.54
4. Step 4: Simplify right side
   6,100.99x = 35,627,665.47
5. Step 5: Solve for x
   x = 35,627,665.47/6,100.99
6. Step 6: Final answer
   x = 5,839.65