Finding the Fourth Proportional to 5,298.47, 7,953.23 and 3,913.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.47 : 7,953.23 = 3,913.37 : x
2. Step 2: Convert to fraction form
   5,298.47/7,953.23 = 3,913.37/x
3. Step 3: Cross multiply
   5,298.47x = 7,953.23 × 3,913.37
4. Step 4: Simplify right side
   5,298.47x = 31,123,901.70
5. Step 5: Solve for x
   x = 31,123,901.70/5,298.47
6. Step 6: Final answer
   x = 5,874.14