Finding the Fourth Proportional to 1,812,046.78, 2,718,086.58 and 549,874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,046.78 : 2,718,086.58 = 549,874.42 : x
2. Step 2: Convert to fraction form
   1,812,046.78/2,718,086.58 = 549,874.42/x
3. Step 3: Cross multiply
   1,812,046.78x = 2,718,086.58 × 549,874.42
4. Step 4: Simplify right side
   1,812,046.78x = 1,494,606,281,687.28
5. Step 5: Solve for x
   x = 1,494,606,281,687.28/1,812,046.78
6. Step 6: Final answer
   x = 824,816.61