Finding the Fourth Proportional to 1,948.52, 2,923.54 and 716.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.52 : 2,923.54 = 716.78 : x
2. Step 2: Convert to fraction form
   1,948.52/2,923.54 = 716.78/x
3. Step 3: Cross multiply
   1,948.52x = 2,923.54 × 716.78
4. Step 4: Simplify right side
   1,948.52x = 2,095,540.52
5. Step 5: Solve for x
   x = 2,095,540.52/1,948.52
6. Step 6: Final answer
   x = 1,075.45