Finding the Fourth Proportional to 1,264.38, 1,897.37 and 614.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.38 : 1,897.37 = 614.76 : x
2. Step 2: Convert to fraction form
   1,264.38/1,897.37 = 614.76/x
3. Step 3: Cross multiply
   1,264.38x = 1,897.37 × 614.76
4. Step 4: Simplify right side
   1,264.38x = 1,166,419.30
5. Step 5: Solve for x
   x = 1,166,419.30/1,264.38
6. Step 6: Final answer
   x = 922.53