Finding the Fourth Proportional to 6,415.72, 8,849.38 and 4,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,415.72 : 8,849.38 = 4,826.50 : x
2. Step 2: Convert to fraction form
   6,415.72/8,849.38 = 4,826.50/x
3. Step 3: Cross multiply
   6,415.72x = 8,849.38 × 4,826.50
4. Step 4: Simplify right side
   6,415.72x = 42,711,464.19
5. Step 5: Solve for x
   x = 42,711,464.19/6,415.72
6. Step 6: Final answer
   x = 6,657.32