Finding the Fourth Proportional to 2,835,727.12, 3,912,315.24 and 1,817,693.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835,727.12 : 3,912,315.24 = 1,817,693.20 : x
2. Step 2: Convert to fraction form
   2,835,727.12/3,912,315.24 = 1,817,693.20/x
3. Step 3: Cross multiply
   2,835,727.12x = 3,912,315.24 × 1,817,693.20
4. Step 4: Simplify right side
   2,835,727.12x = 7,111,388,808,004.37
5. Step 5: Solve for x
   x = 7,111,388,808,004.37/2,835,727.12
6. Step 6: Final answer
   x = 2,507,783.19