Finding the Fourth Proportional to 2,787,664.32, 3,842,904.78 and 1,970,426.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787,664.32 : 3,842,904.78 = 1,970,426.16 : x
2. Step 2: Convert to fraction form
   2,787,664.32/3,842,904.78 = 1,970,426.16/x
3. Step 3: Cross multiply
   2,787,664.32x = 3,842,904.78 × 1,970,426.16
4. Step 4: Simplify right side
   2,787,664.32x = 7,572,160,108,901.04
5. Step 5: Solve for x
   x = 7,572,160,108,901.04/2,787,664.32
6. Step 6: Final answer
   x = 2,716,309.87