Finding the Fourth Proportional to 2,262.15, 3,121.83 and 1,377.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.15 : 3,121.83 = 1,377.93 : x
2. Step 2: Convert to fraction form
   2,262.15/3,121.83 = 1,377.93/x
3. Step 3: Cross multiply
   2,262.15x = 3,121.83 × 1,377.93
4. Step 4: Simplify right side
   2,262.15x = 4,301,663.21
5. Step 5: Solve for x
   x = 4,301,663.21/2,262.15
6. Step 6: Final answer
   x = 1,901.58