Finding the Fourth Proportional to 1,820.05, 2,513.24 and 1,726.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.05 : 2,513.24 = 1,726.63 : x
2. Step 2: Convert to fraction form
   1,820.05/2,513.24 = 1,726.63/x
3. Step 3: Cross multiply
   1,820.05x = 2,513.24 × 1,726.63
4. Step 4: Simplify right side
   1,820.05x = 4,339,443.04
5. Step 5: Solve for x
   x = 4,339,443.04/1,820.05
6. Step 6: Final answer
   x = 2,384.24