Finding the Fourth Proportional to 1,146.15, 1,719.83 and 530.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.15 : 1,719.83 = 530.15 : x
2. Step 2: Convert to fraction form
   1,146.15/1,719.83 = 530.15/x
3. Step 3: Cross multiply
   1,146.15x = 1,719.83 × 530.15
4. Step 4: Simplify right side
   1,146.15x = 911,760.60
5. Step 5: Solve for x
   x = 911,760.60/1,146.15
6. Step 6: Final answer
   x = 795.50