Finding the Fourth Proportional to 1,375.88, 1,898.70 and 746.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.88 : 1,898.70 = 746.42 : x
2. Step 2: Convert to fraction form
   1,375.88/1,898.70 = 746.42/x
3. Step 3: Cross multiply
   1,375.88x = 1,898.70 × 746.42
4. Step 4: Simplify right side
   1,375.88x = 1,417,218.16
5. Step 5: Solve for x
   x = 1,417,218.16/1,375.88
6. Step 6: Final answer
   x = 1,030.05