Finding the Fourth Proportional to 1,895.52, 2,619.76 and 1,428.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.52 : 2,619.76 = 1,428.96 : x
2. Step 2: Convert to fraction form
   1,895.52/2,619.76 = 1,428.96/x
3. Step 3: Cross multiply
   1,895.52x = 2,619.76 × 1,428.96
4. Step 4: Simplify right side
   1,895.52x = 3,743,532.25
5. Step 5: Solve for x
   x = 3,743,532.25/1,895.52
6. Step 6: Final answer
   x = 1,974.94