Finding the Fourth Proportional to 2,229,245.28, 3,076,418.88 and 1,311,534.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229,245.28 : 3,076,418.88 = 1,311,534.72 : x
2. Step 2: Convert to fraction form
   2,229,245.28/3,076,418.88 = 1,311,534.72/x
3. Step 3: Cross multiply
   2,229,245.28x = 3,076,418.88 × 1,311,534.72
4. Step 4: Simplify right side
   2,229,245.28x = 4,034,830,174,383.51
5. Step 5: Solve for x
   x = 4,034,830,174,383.51/2,229,245.28
6. Step 6: Final answer
   x = 1,809,953.45