Finding the Fourth Proportional to 3,404,155.72, 5,106,363.18 and 1,274,015.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404,155.72 : 5,106,363.18 = 1,274,015.56 : x
2. Step 2: Convert to fraction form
   3,404,155.72/5,106,363.18 = 1,274,015.56/x
3. Step 3: Cross multiply
   3,404,155.72x = 5,106,363.18 × 1,274,015.56
4. Step 4: Simplify right side
   3,404,155.72x = 6,505,586,146,331.08
5. Step 5: Solve for x
   x = 6,505,586,146,331.08/3,404,155.72
6. Step 6: Final answer
   x = 1,911,071.84