Finding the Fourth Proportional to 1,761.69, 2,641.60 and 591.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.69 : 2,641.60 = 591.27 : x
2. Step 2: Convert to fraction form
   1,761.69/2,641.60 = 591.27/x
3. Step 3: Cross multiply
   1,761.69x = 2,641.60 × 591.27
4. Step 4: Simplify right side
   1,761.69x = 1,561,898.83
5. Step 5: Solve for x
   x = 1,561,898.83/1,761.69
6. Step 6: Final answer
   x = 886.59