Finding the Fourth Proportional to 2,540,410.01, 3,505,756.98 and 1,378,856.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,410.01 : 3,505,756.98 = 1,378,856.31 : x
2. Step 2: Convert to fraction form
   2,540,410.01/3,505,756.98 = 1,378,856.31/x
3. Step 3: Cross multiply
   2,540,410.01x = 3,505,756.98 × 1,378,856.31
4. Step 4: Simplify right side
   2,540,410.01x = 4,833,935,133,199.54
5. Step 5: Solve for x
   x = 4,833,935,133,199.54/2,540,410.01
6. Step 6: Final answer
   x = 1,902,816.91