Finding the Fourth Proportional to 6,405.90, 8,837.52 and 4,050.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,405.90 : 8,837.52 = 4,050.42 : x
2. Step 2: Convert to fraction form
   6,405.90/8,837.52 = 4,050.42/x
3. Step 3: Cross multiply
   6,405.90x = 8,837.52 × 4,050.42
4. Step 4: Simplify right side
   6,405.90x = 35,795,667.76
5. Step 5: Solve for x
   x = 35,795,667.76/6,405.90
6. Step 6: Final answer
   x = 5,587.92