Finding the Fourth Proportional to 2,353.98, 3,248.64 and 1,306.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.98 : 3,248.64 = 1,306.05 : x
2. Step 2: Convert to fraction form
   2,353.98/3,248.64 = 1,306.05/x
3. Step 3: Cross multiply
   2,353.98x = 3,248.64 × 1,306.05
4. Step 4: Simplify right side
   2,353.98x = 4,242,886.27
5. Step 5: Solve for x
   x = 4,242,886.27/2,353.98
6. Step 6: Final answer
   x = 1,802.43