Finding the Fourth Proportional to 1,376.85, 1,900.06 and 747.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.85 : 1,900.06 = 747.39 : x
2. Step 2: Convert to fraction form
   1,376.85/1,900.06 = 747.39/x
3. Step 3: Cross multiply
   1,376.85x = 1,900.06 × 747.39
4. Step 4: Simplify right side
   1,376.85x = 1,420,083.22
5. Step 5: Solve for x
   x = 1,420,083.22/1,376.85
6. Step 6: Final answer
   x = 1,031.40