Finding the Fourth Proportional to 2,010,272.20, 3,015,554.10 and 1,209,830.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,272.20 : 3,015,554.10 = 1,209,830.20 : x
2. Step 2: Convert to fraction form
   2,010,272.20/3,015,554.10 = 1,209,830.20/x
3. Step 3: Cross multiply
   2,010,272.20x = 3,015,554.10 × 1,209,830.20
4. Step 4: Simplify right side
   2,010,272.20x = 3,648,308,419,913.82
5. Step 5: Solve for x
   x = 3,648,308,419,913.82/2,010,272.20
6. Step 6: Final answer
   x = 1,814,833.05