Finding the Fourth Proportional to 2,359.48, 3,538.72 and 898.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.48 : 3,538.72 = 898.12 : x
2. Step 2: Convert to fraction form
   2,359.48/3,538.72 = 898.12/x
3. Step 3: Cross multiply
   2,359.48x = 3,538.72 × 898.12
4. Step 4: Simplify right side
   2,359.48x = 3,178,195.21
5. Step 5: Solve for x
   x = 3,178,195.21/2,359.48
6. Step 6: Final answer
   x = 1,346.99