Finding the Fourth Proportional to 2,131,826.92, 2,942,221.20 and 1,357,210.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,826.92 : 2,942,221.20 = 1,357,210.32 : x
2. Step 2: Convert to fraction form
   2,131,826.92/2,942,221.20 = 1,357,210.32/x
3. Step 3: Cross multiply
   2,131,826.92x = 2,942,221.20 × 1,357,210.32
4. Step 4: Simplify right side
   2,131,826.92x = 3,993,212,976,362.78
5. Step 5: Solve for x
   x = 3,993,212,976,362.78/2,131,826.92
6. Step 6: Final answer
   x = 1,873,141.27