Finding the Fourth Proportional to 1,476.50, 2,215.17 and 745.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.50 : 2,215.17 = 745.79 : x
2. Step 2: Convert to fraction form
   1,476.50/2,215.17 = 745.79/x
3. Step 3: Cross multiply
   1,476.50x = 2,215.17 × 745.79
4. Step 4: Simplify right side
   1,476.50x = 1,652,040.56
5. Step 5: Solve for x
   x = 1,652,040.56/1,476.50
6. Step 6: Final answer
   x = 1,118.89