Finding the Fourth Proportional to 2,262.08, 3,120.30 and 1,378.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.08 : 3,120.30 = 1,378.52 : x
2. Step 2: Convert to fraction form
   2,262.08/3,120.30 = 1,378.52/x
3. Step 3: Cross multiply
   2,262.08x = 3,120.30 × 1,378.52
4. Step 4: Simplify right side
   2,262.08x = 4,301,395.96
5. Step 5: Solve for x
   x = 4,301,395.96/2,262.08
6. Step 6: Final answer
   x = 1,901.52