Finding the Fourth Proportional to 1,113.09, 1,667.72 and 737.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.09 : 1,667.72 = 737.62 : x
2. Step 2: Convert to fraction form
   1,113.09/1,667.72 = 737.62/x
3. Step 3: Cross multiply
   1,113.09x = 1,667.72 × 737.62
4. Step 4: Simplify right side
   1,113.09x = 1,230,141.30
5. Step 5: Solve for x
   x = 1,230,141.30/1,113.09
6. Step 6: Final answer
   x = 1,105.16