Finding the Fourth Proportional to 1,375.72, 1,898.51 and 754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.72 : 1,898.51 = 754.72 : x
2. Step 2: Convert to fraction form
   1,375.72/1,898.51 = 754.72/x
3. Step 3: Cross multiply
   1,375.72x = 1,898.51 × 754.72
4. Step 4: Simplify right side
   1,375.72x = 1,432,843.47
5. Step 5: Solve for x
   x = 1,432,843.47/1,375.72
6. Step 6: Final answer
   x = 1,041.52