Finding the Fourth Proportional to 1,384.30, 1,910.28 and 754.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.30 : 1,910.28 = 754.82 : x
2. Step 2: Convert to fraction form
   1,384.30/1,910.28 = 754.82/x
3. Step 3: Cross multiply
   1,384.30x = 1,910.28 × 754.82
4. Step 4: Simplify right side
   1,384.30x = 1,441,917.99
5. Step 5: Solve for x
   x = 1,441,917.99/1,384.30
6. Step 6: Final answer
   x = 1,041.62