Finding the Fourth Proportional to 2,758,007.30, 4,129,332.15 and 1,407,251.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758,007.30 : 4,129,332.15 = 1,407,251.30 : x
2. Step 2: Convert to fraction form
   2,758,007.30/4,129,332.15 = 1,407,251.30/x
3. Step 3: Cross multiply
   2,758,007.30x = 4,129,332.15 × 1,407,251.30
4. Step 4: Simplify right side
   2,758,007.30x = 5,811,008,036,219.30
5. Step 5: Solve for x
   x = 5,811,008,036,219.30/2,758,007.30
6. Step 6: Final answer
   x = 2,106,958.90