Finding the Fourth Proportional to 1,374.76, 1,897.15 and 753.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.76 : 1,897.15 = 753.76 : x
2. Step 2: Convert to fraction form
   1,374.76/1,897.15 = 753.76/x
3. Step 3: Cross multiply
   1,374.76x = 1,897.15 × 753.76
4. Step 4: Simplify right side
   1,374.76x = 1,429,995.78
5. Step 5: Solve for x
   x = 1,429,995.78/1,374.76
6. Step 6: Final answer
   x = 1,040.18