Finding the Fourth Proportional to 1,384.82, 1,911.04 and 763.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.82 : 1,911.04 = 763.82 : x
2. Step 2: Convert to fraction form
   1,384.82/1,911.04 = 763.82/x
3. Step 3: Cross multiply
   1,384.82x = 1,911.04 × 763.82
4. Step 4: Simplify right side
   1,384.82x = 1,459,690.57
5. Step 5: Solve for x
   x = 1,459,690.57/1,384.82
6. Step 6: Final answer
   x = 1,054.07