Finding the Fourth Proportional to 2,013,103.75, 2,778,083.18 and 1,107,685.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013,103.75 : 2,778,083.18 = 1,107,685.75 : x
2. Step 2: Convert to fraction form
   2,013,103.75/2,778,083.18 = 1,107,685.75/x
3. Step 3: Cross multiply
   2,013,103.75x = 2,778,083.18 × 1,107,685.75
4. Step 4: Simplify right side
   2,013,103.75x = 3,077,243,150,800.69
5. Step 5: Solve for x
   x = 3,077,243,150,800.69/2,013,103.75
6. Step 6: Final answer
   x = 1,528,606.34