Finding the Fourth Proportional to 1,112.47, 1,668.55 and 700.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.47 : 1,668.55 = 700.34 : x
2. Step 2: Convert to fraction form
   1,112.47/1,668.55 = 700.34/x
3. Step 3: Cross multiply
   1,112.47x = 1,668.55 × 700.34
4. Step 4: Simplify right side
   1,112.47x = 1,168,552.31
5. Step 5: Solve for x
   x = 1,168,552.31/1,112.47
6. Step 6: Final answer
   x = 1,050.41