Finding the Fourth Proportional to 2,182,789.37, 2,990,435.69 and 2,100,973.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,789.37 : 2,990,435.69 = 2,100,973.43 : x
2. Step 2: Convert to fraction form
   2,182,789.37/2,990,435.69 = 2,100,973.43/x
3. Step 3: Cross multiply
   2,182,789.37x = 2,990,435.69 × 2,100,973.43
4. Step 4: Simplify right side
   2,182,789.37x = 6,282,825,903,356.67
5. Step 5: Solve for x
   x = 6,282,825,903,356.67/2,182,789.37
6. Step 6: Final answer
   x = 2,878,347.31