Finding the Fourth Proportional to 5,087.89, 7,635.18 and 1,800.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.89 : 7,635.18 = 1,800.86 : x
2. Step 2: Convert to fraction form
   5,087.89/7,635.18 = 1,800.86/x
3. Step 3: Cross multiply
   5,087.89x = 7,635.18 × 1,800.86
4. Step 4: Simplify right side
   5,087.89x = 13,749,890.25
5. Step 5: Solve for x
   x = 13,749,890.25/5,087.89
6. Step 6: Final answer
   x = 2,702.47