Finding the Fourth Proportional to 2,048,219.78, 3,072,056.31 and 608,876.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048,219.78 : 3,072,056.31 = 608,876.21 : x
2. Step 2: Convert to fraction form
   2,048,219.78/3,072,056.31 = 608,876.21/x
3. Step 3: Cross multiply
   2,048,219.78x = 3,072,056.31 × 608,876.21
4. Step 4: Simplify right side
   2,048,219.78x = 1,870,501,987,579.10
5. Step 5: Solve for x
   x = 1,870,501,987,579.10/2,048,219.78
6. Step 6: Final answer
   x = 913,233.05