Finding the Fourth Proportional to 2,772,996.78, 3,826,355.15 and 1,549,150.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772,996.78 : 3,826,355.15 = 1,549,150.21 : x
2. Step 2: Convert to fraction form
   2,772,996.78/3,826,355.15 = 1,549,150.21/x
3. Step 3: Cross multiply
   2,772,996.78x = 3,826,355.15 × 1,549,150.21
4. Step 4: Simplify right side
   2,772,996.78x = 5,927,598,892,812.90
5. Step 5: Solve for x
   x = 5,927,598,892,812.90/2,772,996.78
6. Step 6: Final answer
   x = 2,137,614.78