Finding the Fourth Proportional to 2,360.89, 3,538.53 and 898.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.89 : 3,538.53 = 898.63 : x
2. Step 2: Convert to fraction form
   2,360.89/3,538.53 = 898.63/x
3. Step 3: Cross multiply
   2,360.89x = 3,538.53 × 898.63
4. Step 4: Simplify right side
   2,360.89x = 3,179,829.21
5. Step 5: Solve for x
   x = 3,179,829.21/2,360.89
6. Step 6: Final answer
   x = 1,346.88