Finding the Fourth Proportional to 1,474.72, 2,210.23 and 744.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.72 : 2,210.23 = 744.51 : x
2. Step 2: Convert to fraction form
   1,474.72/2,210.23 = 744.51/x
3. Step 3: Cross multiply
   1,474.72x = 2,210.23 × 744.51
4. Step 4: Simplify right side
   1,474.72x = 1,645,538.34
5. Step 5: Solve for x
   x = 1,645,538.34/1,474.72
6. Step 6: Final answer
   x = 1,115.83