Finding the Fourth Proportional to 1,384.52, 1,910.62 and 763.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.52 : 1,910.62 = 763.48 : x
2. Step 2: Convert to fraction form
   1,384.52/1,910.62 = 763.48/x
3. Step 3: Cross multiply
   1,384.52x = 1,910.62 × 763.48
4. Step 4: Simplify right side
   1,384.52x = 1,458,720.16
5. Step 5: Solve for x
   x = 1,458,720.16/1,384.52
6. Step 6: Final answer
   x = 1,053.59