Finding the Fourth Proportional to 2,111,922.48, 2,911,633.56 and 1,677,780.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,922.48 : 2,911,633.56 = 1,677,780.30 : x
2. Step 2: Convert to fraction form
   2,111,922.48/2,911,633.56 = 1,677,780.30/x
3. Step 3: Cross multiply
   2,111,922.48x = 2,911,633.56 × 1,677,780.30
4. Step 4: Simplify right side
   2,111,922.48x = 4,885,081,427,786.87
5. Step 5: Solve for x
   x = 4,885,081,427,786.87/2,111,922.48
6. Step 6: Final answer
   x = 2,313,096.94