Finding the Fourth Proportional to 6,435.25, 8,875.07 and 4,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,435.25 : 8,875.07 = 4,196.31 : x
2. Step 2: Convert to fraction form
   6,435.25/8,875.07 = 4,196.31/x
3. Step 3: Cross multiply
   6,435.25x = 8,875.07 × 4,196.31
4. Step 4: Simplify right side
   6,435.25x = 37,242,506.46
5. Step 5: Solve for x
   x = 37,242,506.46/6,435.25
6. Step 6: Final answer
   x = 5,787.27