Finding the Fourth Proportional to 1,858.17, 2,561.31 and 1,483.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.17 : 2,561.31 = 1,483.95 : x
2. Step 2: Convert to fraction form
   1,858.17/2,561.31 = 1,483.95/x
3. Step 3: Cross multiply
   1,858.17x = 2,561.31 × 1,483.95
4. Step 4: Simplify right side
   1,858.17x = 3,800,855.97
5. Step 5: Solve for x
   x = 3,800,855.97/1,858.17
6. Step 6: Final answer
   x = 2,045.48