Finding the Fourth Proportional to 2,540,320.82, 3,505,644.47 and 1,378,767.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,320.82 : 3,505,644.47 = 1,378,767.10 : x
2. Step 2: Convert to fraction form
   2,540,320.82/3,505,644.47 = 1,378,767.10/x
3. Step 3: Cross multiply
   2,540,320.82x = 3,505,644.47 × 1,378,767.10
4. Step 4: Simplify right side
   2,540,320.82x = 4,833,467,271,700.45
5. Step 5: Solve for x
   x = 4,833,467,271,700.45/2,540,320.82
6. Step 6: Final answer
   x = 1,902,699.55