Finding the Fourth Proportional to 1,301.95, 1,796.64 and 712.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.95 : 1,796.64 = 712.47 : x
2. Step 2: Convert to fraction form
   1,301.95/1,796.64 = 712.47/x
3. Step 3: Cross multiply
   1,301.95x = 1,796.64 × 712.47
4. Step 4: Simplify right side
   1,301.95x = 1,280,052.10
5. Step 5: Solve for x
   x = 1,280,052.10/1,301.95
6. Step 6: Final answer
   x = 983.18