Finding the Fourth Proportional to 3,540,738.76, 5,311,103.28 and 1,412,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540,738.76 : 5,311,103.28 = 1,412,317.48 : x
2. Step 2: Convert to fraction form
   3,540,738.76/5,311,103.28 = 1,412,317.48/x
3. Step 3: Cross multiply
   3,540,738.76x = 5,311,103.28 × 1,412,317.48
4. Step 4: Simplify right side
   3,540,738.76x = 7,500,964,000,429.34
5. Step 5: Solve for x
   x = 7,500,964,000,429.34/3,540,738.76
6. Step 6: Final answer
   x = 2,118,474.28