Finding the Fourth Proportional to 1,452.34, 2,180.72 and 907.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.34 : 2,180.72 = 907.95 : x
2. Step 2: Convert to fraction form
   1,452.34/2,180.72 = 907.95/x
3. Step 3: Cross multiply
   1,452.34x = 2,180.72 × 907.95
4. Step 4: Simplify right side
   1,452.34x = 1,979,984.72
5. Step 5: Solve for x
   x = 1,979,984.72/1,452.34
6. Step 6: Final answer
   x = 1,363.31