Finding the Fourth Proportional to 6,900.86, 10,353.72 and 4,819.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.86 : 10,353.72 = 4,819.88 : x
2. Step 2: Convert to fraction form
   6,900.86/10,353.72 = 4,819.88/x
3. Step 3: Cross multiply
   6,900.86x = 10,353.72 × 4,819.88
4. Step 4: Simplify right side
   6,900.86x = 49,903,687.95
5. Step 5: Solve for x
   x = 49,903,687.95/6,900.86
6. Step 6: Final answer
   x = 7,231.52