Finding the Fourth Proportional to 1,072.95, 1,480.69 and 653.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072.95 : 1,480.69 = 653.32 : x
2. Step 2: Convert to fraction form
   1,072.95/1,480.69 = 653.32/x
3. Step 3: Cross multiply
   1,072.95x = 1,480.69 × 653.32
4. Step 4: Simplify right side
   1,072.95x = 967,356.89
5. Step 5: Solve for x
   x = 967,356.89/1,072.95
6. Step 6: Final answer
   x = 901.59