Finding the Fourth Proportional to 1,062.21, 1,592.55 and 714.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.21 : 1,592.55 = 714.69 : x
2. Step 2: Convert to fraction form
   1,062.21/1,592.55 = 714.69/x
3. Step 3: Cross multiply
   1,062.21x = 1,592.55 × 714.69
4. Step 4: Simplify right side
   1,062.21x = 1,138,179.56
5. Step 5: Solve for x
   x = 1,138,179.56/1,062.21
6. Step 6: Final answer
   x = 1,071.52