Finding the Fourth Proportional to 5,298.71, 7,940.54 and 3,901.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.71 : 7,940.54 = 3,901.08 : x
2. Step 2: Convert to fraction form
   5,298.71/7,940.54 = 3,901.08/x
3. Step 3: Cross multiply
   5,298.71x = 7,940.54 × 3,901.08
4. Step 4: Simplify right side
   5,298.71x = 30,976,674.20
5. Step 5: Solve for x
   x = 30,976,674.20/5,298.71
6. Step 6: Final answer
   x = 5,846.08