Finding the Fourth Proportional to 1,901.10, 2,604.47 and 1,830.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901.10 : 2,604.47 = 1,830.03 : x
2. Step 2: Convert to fraction form
   1,901.10/2,604.47 = 1,830.03/x
3. Step 3: Cross multiply
   1,901.10x = 2,604.47 × 1,830.03
4. Step 4: Simplify right side
   1,901.10x = 4,766,257.88
5. Step 5: Solve for x
   x = 4,766,257.88/1,901.10
6. Step 6: Final answer
   x = 2,507.10