Finding the Fourth Proportional to 1,875.56, 2,588.27 and 1,286.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.56 : 2,588.27 = 1,286.28 : x
2. Step 2: Convert to fraction form
   1,875.56/2,588.27 = 1,286.28/x
3. Step 3: Cross multiply
   1,875.56x = 2,588.27 × 1,286.28
4. Step 4: Simplify right side
   1,875.56x = 3,329,233.50
5. Step 5: Solve for x
   x = 3,329,233.50/1,875.56
6. Step 6: Final answer
   x = 1,775.07