Finding the Fourth Proportional to 6,434.32, 8,875.56 and 3,946

Step by Step Solution

1. Step 1: Write the proportion equation
   6,434.32 : 8,875.56 = 3,946 : x
2. Step 2: Convert to fraction form
   6,434.32/8,875.56 = 3,946/x
3. Step 3: Cross multiply
   6,434.32x = 8,875.56 × 3,946
4. Step 4: Simplify right side
   6,434.32x = 35,022,959.76
5. Step 5: Solve for x
   x = 35,022,959.76/6,434.32
6. Step 6: Final answer
   x = 5,443.15