Finding the Fourth Proportional to 1,150.71, 1,577.22 and 1,109.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.71 : 1,577.22 = 1,109.14 : x
2. Step 2: Convert to fraction form
   1,150.71/1,577.22 = 1,109.14/x
3. Step 3: Cross multiply
   1,150.71x = 1,577.22 × 1,109.14
4. Step 4: Simplify right side
   1,150.71x = 1,749,364.80
5. Step 5: Solve for x
   x = 1,749,364.80/1,150.71
6. Step 6: Final answer
   x = 1,520.25