Finding the Fourth Proportional to 1,384.56, 1,910.56 and 763.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.56 : 1,910.56 = 763.52 : x
2. Step 2: Convert to fraction form
   1,384.56/1,910.56 = 763.52/x
3. Step 3: Cross multiply
   1,384.56x = 1,910.56 × 763.52
4. Step 4: Simplify right side
   1,384.56x = 1,458,750.77
5. Step 5: Solve for x
   x = 1,458,750.77/1,384.56
6. Step 6: Final answer
   x = 1,053.58