Finding the Fourth Proportional to 1,875.30, 2,815.56 and 951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,875.30 : 2,815.56 = 951.50 : x
2. Step 2: Convert to fraction form
   1,875.30/2,815.56 = 951.50/x
3. Step 3: Cross multiply
   1,875.30x = 2,815.56 × 951.50
4. Step 4: Simplify right side
   1,875.30x = 2,678,996.54
5. Step 5: Solve for x
   x = 2,678,996.54/1,875.30
6. Step 6: Final answer
   x = 1,428.57