Finding the Fourth Proportional to 6,139.55, 8,473.26 and 3,781.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.55 : 8,473.26 = 3,781.69 : x
2. Step 2: Convert to fraction form
   6,139.55/8,473.26 = 3,781.69/x
3. Step 3: Cross multiply
   6,139.55x = 8,473.26 × 3,781.69
4. Step 4: Simplify right side
   6,139.55x = 32,043,214.34
5. Step 5: Solve for x
   x = 32,043,214.34/6,139.55
6. Step 6: Final answer
   x = 5,219.15