Finding the Fourth Proportional to 1,143.42, 1,714.82 and 526.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143.42 : 1,714.82 = 526.82 : x
2. Step 2: Convert to fraction form
   1,143.42/1,714.82 = 526.82/x
3. Step 3: Cross multiply
   1,143.42x = 1,714.82 × 526.82
4. Step 4: Simplify right side
   1,143.42x = 903,390.26
5. Step 5: Solve for x
   x = 903,390.26/1,143.42
6. Step 6: Final answer
   x = 790.08