Finding the Fourth Proportional to 1,635.42, 2,449.06 and 1,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.42 : 2,449.06 = 1,113.50 : x
2. Step 2: Convert to fraction form
   1,635.42/2,449.06 = 1,113.50/x
3. Step 3: Cross multiply
   1,635.42x = 2,449.06 × 1,113.50
4. Step 4: Simplify right side
   1,635.42x = 2,727,028.31
5. Step 5: Solve for x
   x = 2,727,028.31/1,635.42
6. Step 6: Final answer
   x = 1,667.48