Finding the Fourth Proportional to 1,609,076.37, 2,413,636.56 and 411,008.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609,076.37 : 2,413,636.56 = 411,008.61 : x
2. Step 2: Convert to fraction form
   1,609,076.37/2,413,636.56 = 411,008.61/x
3. Step 3: Cross multiply
   1,609,076.37x = 2,413,636.56 × 411,008.61
4. Step 4: Simplify right side
   1,609,076.37x = 992,025,407,570.78
5. Step 5: Solve for x
   x = 992,025,407,570.78/1,609,076.37
6. Step 6: Final answer
   x = 616,518.54