Finding the Fourth Proportional to 2,090,042.78, 2,884,028.42 and 1,172,083.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090,042.78 : 2,884,028.42 = 1,172,083.02 : x
2. Step 2: Convert to fraction form
   2,090,042.78/2,884,028.42 = 1,172,083.02/x
3. Step 3: Cross multiply
   2,090,042.78x = 2,884,028.42 × 1,172,083.02
4. Step 4: Simplify right side
   2,090,042.78x = 3,380,320,740,279.43
5. Step 5: Solve for x
   x = 3,380,320,740,279.43/2,090,042.78
6. Step 6: Final answer
   x = 1,617,345.24