Finding the Fourth Proportional to 2,790,499.86, 4,185,341.55 and 1,331,216.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790,499.86 : 4,185,341.55 = 1,331,216.82 : x
2. Step 2: Convert to fraction form
   2,790,499.86/4,185,341.55 = 1,331,216.82/x
3. Step 3: Cross multiply
   2,790,499.86x = 4,185,341.55 × 1,331,216.82
4. Step 4: Simplify right side
   2,790,499.86x = 5,571,597,068,804.87
5. Step 5: Solve for x
   x = 5,571,597,068,804.87/2,790,499.86
6. Step 6: Final answer
   x = 1,996,630.48