Finding the Fourth Proportional to 6,591.55, 9,885.78 and 1,910.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,591.55 : 9,885.78 = 1,910.31 : x
2. Step 2: Convert to fraction form
   6,591.55/9,885.78 = 1,910.31/x
3. Step 3: Cross multiply
   6,591.55x = 9,885.78 × 1,910.31
4. Step 4: Simplify right side
   6,591.55x = 18,884,904.39
5. Step 5: Solve for x
   x = 18,884,904.39/6,591.55
6. Step 6: Final answer
   x = 2,865.02