Finding the Fourth Proportional to 2,634,798.78, 3,636,024.72 and 1,427,574.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634,798.78 : 3,636,024.72 = 1,427,574.78 : x
2. Step 2: Convert to fraction form
   2,634,798.78/3,636,024.72 = 1,427,574.78/x
3. Step 3: Cross multiply
   2,634,798.78x = 3,636,024.72 × 1,427,574.78
4. Step 4: Simplify right side
   2,634,798.78x = 5,190,697,189,728.56
5. Step 5: Solve for x
   x = 5,190,697,189,728.56/2,634,798.78
6. Step 6: Final answer
   x = 1,970,054.50