Finding the Fourth Proportional to 1,141.50, 1,710.56 and 898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.50 : 1,710.56 = 898.50 : x
2. Step 2: Convert to fraction form
   1,141.50/1,710.56 = 898.50/x
3. Step 3: Cross multiply
   1,141.50x = 1,710.56 × 898.50
4. Step 4: Simplify right side
   1,141.50x = 1,536,938.16
5. Step 5: Solve for x
   x = 1,536,938.16/1,141.50
6. Step 6: Final answer
   x = 1,346.42