Finding the Fourth Proportional to 6,123.42, 8,446.95 and 3,881.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.42 : 8,446.95 = 3,881.34 : x
2. Step 2: Convert to fraction form
   6,123.42/8,446.95 = 3,881.34/x
3. Step 3: Cross multiply
   6,123.42x = 8,446.95 × 3,881.34
4. Step 4: Simplify right side
   6,123.42x = 32,785,484.91
5. Step 5: Solve for x
   x = 32,785,484.91/6,123.42
6. Step 6: Final answer
   x = 5,354.11