Finding the Fourth Proportional to 2,178,900.06, 3,006,762.69 and 1,198,820.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,900.06 : 3,006,762.69 = 1,198,820.51 : x
2. Step 2: Convert to fraction form
   2,178,900.06/3,006,762.69 = 1,198,820.51/x
3. Step 3: Cross multiply
   2,178,900.06x = 3,006,762.69 × 1,198,820.51
4. Step 4: Simplify right side
   2,178,900.06x = 3,604,568,781,474.77
5. Step 5: Solve for x
   x = 3,604,568,781,474.77/2,178,900.06
6. Step 6: Final answer
   x = 1,654,306.61