Finding the Fourth Proportional to 2,901.83, 4,003.43 and 1,781.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,901.83 : 4,003.43 = 1,781.87 : x
2. Step 2: Convert to fraction form
   2,901.83/4,003.43 = 1,781.87/x
3. Step 3: Cross multiply
   2,901.83x = 4,003.43 × 1,781.87
4. Step 4: Simplify right side
   2,901.83x = 7,133,562.89
5. Step 5: Solve for x
   x = 7,133,562.89/2,901.83
6. Step 6: Final answer
   x = 2,458.30