Finding the Fourth Proportional to 8,591.88, 12,887.86 and 2,351.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,591.88 : 12,887.86 = 2,351.74 : x
2. Step 2: Convert to fraction form
   8,591.88/12,887.86 = 2,351.74/x
3. Step 3: Cross multiply
   8,591.88x = 12,887.86 × 2,351.74
4. Step 4: Simplify right side
   8,591.88x = 30,308,895.88
5. Step 5: Solve for x
   x = 30,308,895.88/8,591.88
6. Step 6: Final answer
   x = 3,527.62