Finding the Fourth Proportional to 2,251,222.32, 3,106,672.56 and 1,218,722.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251,222.32 : 3,106,672.56 = 1,218,722.58 : x
2. Step 2: Convert to fraction form
   2,251,222.32/3,106,672.56 = 1,218,722.58/x
3. Step 3: Cross multiply
   2,251,222.32x = 3,106,672.56 × 1,218,722.58
4. Step 4: Simplify right side
   2,251,222.32x = 3,786,171,997,538.41
5. Step 5: Solve for x
   x = 3,786,171,997,538.41/2,251,222.32
6. Step 6: Final answer
   x = 1,681,829.45