Finding the Fourth Proportional to 2,309,980.16, 3,187,793.82 and 1,277,434.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,980.16 : 3,187,793.82 = 1,277,434.58 : x
2. Step 2: Convert to fraction form
   2,309,980.16/3,187,793.82 = 1,277,434.58/x
3. Step 3: Cross multiply
   2,309,980.16x = 3,187,793.82 × 1,277,434.58
4. Step 4: Simplify right side
   2,309,980.16x = 4,072,198,043,639.33
5. Step 5: Solve for x
   x = 4,072,198,043,639.33/2,309,980.16
6. Step 6: Final answer
   x = 1,762,871.44