Finding the Fourth Proportional to 6,433.15, 8,875.42 and 3,914.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,433.15 : 8,875.42 = 3,914.46 : x
2. Step 2: Convert to fraction form
   6,433.15/8,875.42 = 3,914.46/x
3. Step 3: Cross multiply
   6,433.15x = 8,875.42 × 3,914.46
4. Step 4: Simplify right side
   6,433.15x = 34,742,476.57
5. Step 5: Solve for x
   x = 34,742,476.57/6,433.15
6. Step 6: Final answer
   x = 5,400.54