Finding the Fourth Proportional to 1,591.56, 2,386.71 and 714.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591.56 : 2,386.71 = 714.33 : x
2. Step 2: Convert to fraction form
   1,591.56/2,386.71 = 714.33/x
3. Step 3: Cross multiply
   1,591.56x = 2,386.71 × 714.33
4. Step 4: Simplify right side
   1,591.56x = 1,704,898.55
5. Step 5: Solve for x
   x = 1,704,898.55/1,591.56
6. Step 6: Final answer
   x = 1,071.21