Finding the Fourth Proportional to 2,267,421.40, 3,129,041.55 and 1,248,826.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,267,421.40 : 3,129,041.55 = 1,248,826.15 : x
2. Step 2: Convert to fraction form
   2,267,421.40/3,129,041.55 = 1,248,826.15/x
3. Step 3: Cross multiply
   2,267,421.40x = 3,129,041.55 × 1,248,826.15
4. Step 4: Simplify right side
   2,267,421.40x = 3,907,628,912,076.53
5. Step 5: Solve for x
   x = 3,907,628,912,076.53/2,267,421.40
6. Step 6: Final answer
   x = 1,723,380.10