Finding the Fourth Proportional to 3,012.18, 4,518.71 and 932.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012.18 : 4,518.71 = 932.37 : x
2. Step 2: Convert to fraction form
   3,012.18/4,518.71 = 932.37/x
3. Step 3: Cross multiply
   3,012.18x = 4,518.71 × 932.37
4. Step 4: Simplify right side
   3,012.18x = 4,213,109.64
5. Step 5: Solve for x
   x = 4,213,109.64/3,012.18
6. Step 6: Final answer
   x = 1,398.69