Finding the Fourth Proportional to 2,010,711.68, 2,774,711.76 and 1,105,287.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,711.68 : 2,774,711.76 = 1,105,287.20 : x
2. Step 2: Convert to fraction form
   2,010,711.68/2,774,711.76 = 1,105,287.20/x
3. Step 3: Cross multiply
   2,010,711.68x = 2,774,711.76 × 1,105,287.20
4. Step 4: Simplify right side
   2,010,711.68x = 3,066,853,392,017.47
5. Step 5: Solve for x
   x = 3,066,853,392,017.47/2,010,711.68
6. Step 6: Final answer
   x = 1,525,257.66