Finding the Fourth Proportional to 1,045.95, 1,441.98 and 765.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.95 : 1,441.98 = 765.69 : x
2. Step 2: Convert to fraction form
   1,045.95/1,441.98 = 765.69/x
3. Step 3: Cross multiply
   1,045.95x = 1,441.98 × 765.69
4. Step 4: Simplify right side
   1,045.95x = 1,104,109.67
5. Step 5: Solve for x
   x = 1,104,109.67/1,045.95
6. Step 6: Final answer
   x = 1,055.60