Finding the Fourth Proportional to 1,374.72, 1,897.13 and 753.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.72 : 1,897.13 = 753.72 : x
2. Step 2: Convert to fraction form
   1,374.72/1,897.13 = 753.72/x
3. Step 3: Cross multiply
   1,374.72x = 1,897.13 × 753.72
4. Step 4: Simplify right side
   1,374.72x = 1,429,904.82
5. Step 5: Solve for x
   x = 1,429,904.82/1,374.72
6. Step 6: Final answer
   x = 1,040.14