Finding the Fourth Proportional to 2,460.10, 3,687.91 and 899.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.10 : 3,687.91 = 899.01 : x
2. Step 2: Convert to fraction form
   2,460.10/3,687.91 = 899.01/x
3. Step 3: Cross multiply
   2,460.10x = 3,687.91 × 899.01
4. Step 4: Simplify right side
   2,460.10x = 3,315,460.41
5. Step 5: Solve for x
   x = 3,315,460.41/2,460.10
6. Step 6: Final answer
   x = 1,347.70