Finding the Fourth Proportional to 2,229,616.76, 3,076,911.68 and 1,262,947.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229,616.76 : 3,076,911.68 = 1,262,947.78 : x
2. Step 2: Convert to fraction form
   2,229,616.76/3,076,911.68 = 1,262,947.78/x
3. Step 3: Cross multiply
   2,229,616.76x = 3,076,911.68 × 1,262,947.78
4. Step 4: Simplify right side
   2,229,616.76x = 3,885,978,760,127.51
5. Step 5: Solve for x
   x = 3,885,978,760,127.51/2,229,616.76
6. Step 6: Final answer
   x = 1,742,890.90