Finding the Fourth Proportional to 1,024.56, 1,530.18 and 914.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,024.56 : 1,530.18 = 914.40 : x
2. Step 2: Convert to fraction form
   1,024.56/1,530.18 = 914.40/x
3. Step 3: Cross multiply
   1,024.56x = 1,530.18 × 914.40
4. Step 4: Simplify right side
   1,024.56x = 1,399,196.59
5. Step 5: Solve for x
   x = 1,399,196.59/1,024.56
6. Step 6: Final answer
   x = 1,365.66