Finding the Fourth Proportional to 1,156.38, 1,595.43 and 714.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.38 : 1,595.43 = 714.12 : x
2. Step 2: Convert to fraction form
   1,156.38/1,595.43 = 714.12/x
3. Step 3: Cross multiply
   1,156.38x = 1,595.43 × 714.12
4. Step 4: Simplify right side
   1,156.38x = 1,139,328.47
5. Step 5: Solve for x
   x = 1,139,328.47/1,156.38
6. Step 6: Final answer
   x = 985.25