Finding the Fourth Proportional to 3,061.68, 4,591.86 and 869.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.68 : 4,591.86 = 869.82 : x
2. Step 2: Convert to fraction form
   3,061.68/4,591.86 = 869.82/x
3. Step 3: Cross multiply
   3,061.68x = 4,591.86 × 869.82
4. Step 4: Simplify right side
   3,061.68x = 3,994,091.67
5. Step 5: Solve for x
   x = 3,994,091.67/3,061.68
6. Step 6: Final answer
   x = 1,304.54