Finding the Fourth Proportional to 1,150.76, 1,725.17 and 534.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.76 : 1,725.17 = 534.15 : x
2. Step 2: Convert to fraction form
   1,150.76/1,725.17 = 534.15/x
3. Step 3: Cross multiply
   1,150.76x = 1,725.17 × 534.15
4. Step 4: Simplify right side
   1,150.76x = 921,500.89
5. Step 5: Solve for x
   x = 921,500.89/1,150.76
6. Step 6: Final answer
   x = 800.77