Finding the Fourth Proportional to 6,432.50, 8,870.76 and 4,196.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,432.50 : 8,870.76 = 4,196.09 : x
2. Step 2: Convert to fraction form
   6,432.50/8,870.76 = 4,196.09/x
3. Step 3: Cross multiply
   6,432.50x = 8,870.76 × 4,196.09
4. Step 4: Simplify right side
   6,432.50x = 37,222,507.33
5. Step 5: Solve for x
   x = 37,222,507.33/6,432.50
6. Step 6: Final answer
   x = 5,786.63