Finding the Fourth Proportional to 1,110.73, 1,667.12 and 1,043.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110.73 : 1,667.12 = 1,043.75 : x
2. Step 2: Convert to fraction form
   1,110.73/1,667.12 = 1,043.75/x
3. Step 3: Cross multiply
   1,110.73x = 1,667.12 × 1,043.75
4. Step 4: Simplify right side
   1,110.73x = 1,740,055.45
5. Step 5: Solve for x
   x = 1,740,055.45/1,110.73
6. Step 6: Final answer
   x = 1,566.59