Finding the Fourth Proportional to 1,514.16, 2,270.42 and 526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.16 : 2,270.42 = 526.72 : x
2. Step 2: Convert to fraction form
   1,514.16/2,270.42 = 526.72/x
3. Step 3: Cross multiply
   1,514.16x = 2,270.42 × 526.72
4. Step 4: Simplify right side
   1,514.16x = 1,195,875.62
5. Step 5: Solve for x
   x = 1,195,875.62/1,514.16
6. Step 6: Final answer
   x = 789.79