Finding the Fourth Proportional to 10,419,736.20, 15,628,185.48 and 2,742,738.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419,736.20 : 15,628,185.48 = 2,742,738.48 : x
2. Step 2: Convert to fraction form
   10,419,736.20/15,628,185.48 = 2,742,738.48/x
3. Step 3: Cross multiply
   10,419,736.20x = 15,628,185.48 × 2,742,738.48
4. Step 4: Simplify right side
   10,419,736.20x = 42,864,025,688,573.27
5. Step 5: Solve for x
   x = 42,864,025,688,573.27/10,419,736.20
6. Step 6: Final answer
   x = 4,113,734.25