Finding the Fourth Proportional to 3,222,409.72, 4,447,039.59 and 1,772,217.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222,409.72 : 4,447,039.59 = 1,772,217.31 : x
2. Step 2: Convert to fraction form
   3,222,409.72/4,447,039.59 = 1,772,217.31/x
3. Step 3: Cross multiply
   3,222,409.72x = 4,447,039.59 × 1,772,217.31
4. Step 4: Simplify right side
   3,222,409.72x = 7,881,120,539,653.30
5. Step 5: Solve for x
   x = 7,881,120,539,653.30/3,222,409.72
6. Step 6: Final answer
   x = 2,445,722.68