Finding the Fourth Proportional to 2,787,665.32, 3,842,906.16 and 1,970,427.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787,665.32 : 3,842,906.16 = 1,970,427.16 : x
2. Step 2: Convert to fraction form
   2,787,665.32/3,842,906.16 = 1,970,427.16/x
3. Step 3: Cross multiply
   2,787,665.32x = 3,842,906.16 × 1,970,427.16
4. Step 4: Simplify right side
   2,787,665.32x = 7,572,166,670,995.31
5. Step 5: Solve for x
   x = 7,572,166,670,995.31/2,787,665.32
6. Step 6: Final answer
   x = 2,716,311.25