Finding the Fourth Proportional to 6,475.42, 8,935.72 and 3,821.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,475.42 : 8,935.72 = 3,821.86 : x
2. Step 2: Convert to fraction form
   6,475.42/8,935.72 = 3,821.86/x
3. Step 3: Cross multiply
   6,475.42x = 8,935.72 × 3,821.86
4. Step 4: Simplify right side
   6,475.42x = 34,151,070.84
5. Step 5: Solve for x
   x = 34,151,070.84/6,475.42
6. Step 6: Final answer
   x = 5,273.95