Finding the Fourth Proportional to 6,448.83, 8,901.27 and 4,211.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,448.83 : 8,901.27 = 4,211.05 : x
2. Step 2: Convert to fraction form
   6,448.83/8,901.27 = 4,211.05/x
3. Step 3: Cross multiply
   6,448.83x = 8,901.27 × 4,211.05
4. Step 4: Simplify right side
   6,448.83x = 37,483,687.47
5. Step 5: Solve for x
   x = 37,483,687.47/6,448.83
6. Step 6: Final answer
   x = 5,812.48