Finding the Fourth Proportional to 1,875.56, 2,569.49 and 1,805.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.56 : 2,569.49 = 1,805.45 : x
2. Step 2: Convert to fraction form
   1,875.56/2,569.49 = 1,805.45/x
3. Step 3: Cross multiply
   1,875.56x = 2,569.49 × 1,805.45
4. Step 4: Simplify right side
   1,875.56x = 4,639,083.12
5. Step 5: Solve for x
   x = 4,639,083.12/1,875.56
6. Step 6: Final answer
   x = 2,473.45