Finding the Fourth Proportional to 1,711.17, 2,361.33 and 1,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.17 : 2,361.33 = 1,012.50 : x
2. Step 2: Convert to fraction form
   1,711.17/2,361.33 = 1,012.50/x
3. Step 3: Cross multiply
   1,711.17x = 2,361.33 × 1,012.50
4. Step 4: Simplify right side
   1,711.17x = 2,390,846.63
5. Step 5: Solve for x
   x = 2,390,846.63/1,711.17
6. Step 6: Final answer
   x = 1,397.20