Finding the Fourth Proportional to 6,123.68, 8,449.20 and 3,884.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.68 : 8,449.20 = 3,884.74 : x
2. Step 2: Convert to fraction form
   6,123.68/8,449.20 = 3,884.74/x
3. Step 3: Cross multiply
   6,123.68x = 8,449.20 × 3,884.74
4. Step 4: Simplify right side
   6,123.68x = 32,822,945.21
5. Step 5: Solve for x
   x = 32,822,945.21/6,123.68
6. Step 6: Final answer
   x = 5,360.00