Finding the Fourth Proportional to 1,112.71, 1,534.88 and 714.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.71 : 1,534.88 = 714.23 : x
2. Step 2: Convert to fraction form
   1,112.71/1,534.88 = 714.23/x
3. Step 3: Cross multiply
   1,112.71x = 1,534.88 × 714.23
4. Step 4: Simplify right side
   1,112.71x = 1,096,257.34
5. Step 5: Solve for x
   x = 1,096,257.34/1,112.71
6. Step 6: Final answer
   x = 985.21