Finding the Fourth Proportional to 2,445.68, 3,375.06 and 1,383.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.68 : 3,375.06 = 1,383.50 : x
2. Step 2: Convert to fraction form
   2,445.68/3,375.06 = 1,383.50/x
3. Step 3: Cross multiply
   2,445.68x = 3,375.06 × 1,383.50
4. Step 4: Simplify right side
   2,445.68x = 4,669,395.51
5. Step 5: Solve for x
   x = 4,669,395.51/2,445.68
6. Step 6: Final answer
   x = 1,909.24