Finding the Fourth Proportional to 1,143.96, 1,714.56 and 526.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143.96 : 1,714.56 = 526.82 : x
2. Step 2: Convert to fraction form
   1,143.96/1,714.56 = 526.82/x
3. Step 3: Cross multiply
   1,143.96x = 1,714.56 × 526.82
4. Step 4: Simplify right side
   1,143.96x = 903,264.50
5. Step 5: Solve for x
   x = 903,264.50/1,143.96
6. Step 6: Final answer
   x = 789.59