Finding the Fourth Proportional to 1,475.46, 2,214.56 and 745.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475.46 : 2,214.56 = 745.55 : x
2. Step 2: Convert to fraction form
   1,475.46/2,214.56 = 745.55/x
3. Step 3: Cross multiply
   1,475.46x = 2,214.56 × 745.55
4. Step 4: Simplify right side
   1,475.46x = 1,651,061.51
5. Step 5: Solve for x
   x = 1,651,061.51/1,475.46
6. Step 6: Final answer
   x = 1,119.01