Finding the Fourth Proportional to 3,888,439.72, 5,365,188 and 2,255,901.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,888,439.72 : 5,365,188 = 2,255,901.62 : x
2. Step 2: Convert to fraction form
   3,888,439.72/5,365,188 = 2,255,901.62/x
3. Step 3: Cross multiply
   3,888,439.72x = 5,365,188 × 2,255,901.62
4. Step 4: Simplify right side
   3,888,439.72x = 12,103,336,300,804.56
5. Step 5: Solve for x
   x = 12,103,336,300,804.56/3,888,439.72
6. Step 6: Final answer
   x = 3,112,645.99