Finding the Fourth Proportional to 2,245,392.46, 3,098,642.72 and 1,212,900.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,392.46 : 3,098,642.72 = 1,212,900.19 : x
2. Step 2: Convert to fraction form
   2,245,392.46/3,098,642.72 = 1,212,900.19/x
3. Step 3: Cross multiply
   2,245,392.46x = 3,098,642.72 × 1,212,900.19
4. Step 4: Simplify right side
   2,245,392.46x = 3,758,344,322,272.40
5. Step 5: Solve for x
   x = 3,758,344,322,272.40/2,245,392.46
6. Step 6: Final answer
   x = 1,673,802.86