Finding the Fourth Proportional to 6,145.82, 8,480.76 and 3,788

Step by Step Solution

1. Step 1: Write the proportion equation
   6,145.82 : 8,480.76 = 3,788 : x
2. Step 2: Convert to fraction form
   6,145.82/8,480.76 = 3,788/x
3. Step 3: Cross multiply
   6,145.82x = 8,480.76 × 3,788
4. Step 4: Simplify right side
   6,145.82x = 32,125,118.88
5. Step 5: Solve for x
   x = 32,125,118.88/6,145.82
6. Step 6: Final answer
   x = 5,227.15