Finding the Fourth Proportional to 1,418.72, 2,123.52 and 758.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.72 : 2,123.52 = 758.95 : x
2. Step 2: Convert to fraction form
   1,418.72/2,123.52 = 758.95/x
3. Step 3: Cross multiply
   1,418.72x = 2,123.52 × 758.95
4. Step 4: Simplify right side
   1,418.72x = 1,611,631.09
5. Step 5: Solve for x
   x = 1,611,631.09/1,418.72
6. Step 6: Final answer
   x = 1,135.98