Finding the Fourth Proportional to 2,309,981.16, 3,187,795.20 and 1,277,435.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,981.16 : 3,187,795.20 = 1,277,435.58 : x
2. Step 2: Convert to fraction form
   2,309,981.16/3,187,795.20 = 1,277,435.58/x
3. Step 3: Cross multiply
   2,309,981.16x = 3,187,795.20 × 1,277,435.58
4. Step 4: Simplify right side
   2,309,981.16x = 4,072,203,010,233.22
5. Step 5: Solve for x
   x = 4,072,203,010,233.22/2,309,981.16
6. Step 6: Final answer
   x = 1,762,872.82