Finding the Fourth Proportional to 1,159.24, 1,728.52 and 1,030.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.24 : 1,728.52 = 1,030.45 : x
2. Step 2: Convert to fraction form
   1,159.24/1,728.52 = 1,030.45/x
3. Step 3: Cross multiply
   1,159.24x = 1,728.52 × 1,030.45
4. Step 4: Simplify right side
   1,159.24x = 1,781,150.86
5. Step 5: Solve for x
   x = 1,781,150.86/1,159.24
6. Step 6: Final answer
   x = 1,536.48