Finding the Fourth Proportional to 3,538.59, 5,311.98 and 1,898.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538.59 : 5,311.98 = 1,898.34 : x
2. Step 2: Convert to fraction form
   3,538.59/5,311.98 = 1,898.34/x
3. Step 3: Cross multiply
   3,538.59x = 5,311.98 × 1,898.34
4. Step 4: Simplify right side
   3,538.59x = 10,083,944.11
5. Step 5: Solve for x
   x = 10,083,944.11/3,538.59
6. Step 6: Final answer
   x = 2,849.71