Finding the Fourth Proportional to 2,309,981.91, 3,187,796.18 and 1,277,436.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,981.91 : 3,187,796.18 = 1,277,436.34 : x
2. Step 2: Convert to fraction form
   2,309,981.91/3,187,796.18 = 1,277,436.34/x
3. Step 3: Cross multiply
   2,309,981.91x = 3,187,796.18 × 1,277,436.34
4. Step 4: Simplify right side
   2,309,981.91x = 4,072,206,684,845.18
5. Step 5: Solve for x
   x = 4,072,206,684,845.18/2,309,981.91
6. Step 6: Final answer
   x = 1,762,873.84