Finding the Fourth Proportional to 2,168,962.63, 2,991,423.15 and 1,906,757.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,962.63 : 2,991,423.15 = 1,906,757.30 : x
2. Step 2: Convert to fraction form
   2,168,962.63/2,991,423.15 = 1,906,757.30/x
3. Step 3: Cross multiply
   2,168,962.63x = 2,991,423.15 × 1,906,757.30
4. Step 4: Simplify right side
   2,168,962.63x = 5,703,917,932,308.72
5. Step 5: Solve for x
   x = 5,703,917,932,308.72/2,168,962.63
6. Step 6: Final answer
   x = 2,629,790.78