Finding the Fourth Proportional to 1,437.46, 1,981.95 and 1,118.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.46 : 1,981.95 = 1,118.53 : x
2. Step 2: Convert to fraction form
   1,437.46/1,981.95 = 1,118.53/x
3. Step 3: Cross multiply
   1,437.46x = 1,981.95 × 1,118.53
4. Step 4: Simplify right side
   1,437.46x = 2,216,870.53
5. Step 5: Solve for x
   x = 2,216,870.53/1,437.46
6. Step 6: Final answer
   x = 1,542.21