Finding the Fourth Proportional to 4,336.88, 6,499.76 and 1,868.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,336.88 : 6,499.76 = 1,868.72 : x
2. Step 2: Convert to fraction form
   4,336.88/6,499.76 = 1,868.72/x
3. Step 3: Cross multiply
   4,336.88x = 6,499.76 × 1,868.72
4. Step 4: Simplify right side
   4,336.88x = 12,146,231.51
5. Step 5: Solve for x
   x = 12,146,231.51/4,336.88
6. Step 6: Final answer
   x = 2,800.68