Finding the Fourth Proportional to 1,992,410.58, 2,749,738.38 and 1,218,494.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,410.58 : 2,749,738.38 = 1,218,494.15 : x
2. Step 2: Convert to fraction form
   1,992,410.58/2,749,738.38 = 1,218,494.15/x
3. Step 3: Cross multiply
   1,992,410.58x = 2,749,738.38 × 1,218,494.15
4. Step 4: Simplify right side
   1,992,410.58x = 3,350,540,116,311.79
5. Step 5: Solve for x
   x = 3,350,540,116,311.79/1,992,410.58
6. Step 6: Final answer
   x = 1,681,651.44