Finding the Fourth Proportional to 1,945.45, 2,915.52 and 1,251.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.45 : 2,915.52 = 1,251.73 : x
2. Step 2: Convert to fraction form
   1,945.45/2,915.52 = 1,251.73/x
3. Step 3: Cross multiply
   1,945.45x = 2,915.52 × 1,251.73
4. Step 4: Simplify right side
   1,945.45x = 3,649,443.85
5. Step 5: Solve for x
   x = 3,649,443.85/1,945.45
6. Step 6: Final answer
   x = 1,875.89