Finding the Fourth Proportional to 1,114.05, 1,537.57 and 672.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.05 : 1,537.57 = 672.02 : x
2. Step 2: Convert to fraction form
   1,114.05/1,537.57 = 672.02/x
3. Step 3: Cross multiply
   1,114.05x = 1,537.57 × 672.02
4. Step 4: Simplify right side
   1,114.05x = 1,033,276.71
5. Step 5: Solve for x
   x = 1,033,276.71/1,114.05
6. Step 6: Final answer
   x = 927.49