Finding the Fourth Proportional to 2,107,628.40, 3,152,111.40 and 1,771,705.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,628.40 : 3,152,111.40 = 1,771,705.20 : x
2. Step 2: Convert to fraction form
   2,107,628.40/3,152,111.40 = 1,771,705.20/x
3. Step 3: Cross multiply
   2,107,628.40x = 3,152,111.40 × 1,771,705.20
4. Step 4: Simplify right side
   2,107,628.40x = 5,584,612,158,359.28
5. Step 5: Solve for x
   x = 5,584,612,158,359.28/2,107,628.40
6. Step 6: Final answer
   x = 2,649,713.85