Finding the Fourth Proportional to 2,240,105.76, 3,091,340.30 and 1,221,510.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240,105.76 : 3,091,340.30 = 1,221,510.51 : x
2. Step 2: Convert to fraction form
   2,240,105.76/3,091,340.30 = 1,221,510.51/x
3. Step 3: Cross multiply
   2,240,105.76x = 3,091,340.30 × 1,221,510.51
4. Step 4: Simplify right side
   2,240,105.76x = 3,776,104,660,329.00
5. Step 5: Solve for x
   x = 3,776,104,660,329.00/2,240,105.76
6. Step 6: Final answer
   x = 1,685,681.42