Finding the Fourth Proportional to 1,285.82, 1,774.52 and 761.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285.82 : 1,774.52 = 761.94 : x
2. Step 2: Convert to fraction form
   1,285.82/1,774.52 = 761.94/x
3. Step 3: Cross multiply
   1,285.82x = 1,774.52 × 761.94
4. Step 4: Simplify right side
   1,285.82x = 1,352,077.77
5. Step 5: Solve for x
   x = 1,352,077.77/1,285.82
6. Step 6: Final answer
   x = 1,051.53