Finding the Fourth Proportional to 2,106,419.22, 2,906,846.55 and 1,139,546.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,419.22 : 2,906,846.55 = 1,139,546.70 : x
2. Step 2: Convert to fraction form
   2,106,419.22/2,906,846.55 = 1,139,546.70/x
3. Step 3: Cross multiply
   2,106,419.22x = 2,906,846.55 × 1,139,546.70
4. Step 4: Simplify right side
   2,106,419.22x = 3,312,487,393,458.89
5. Step 5: Solve for x
   x = 3,312,487,393,458.89/2,106,419.22
6. Step 6: Final answer
   x = 1,572,567.97