Finding the Fourth Proportional to 941,061.94, 1,410,799.21 and 408,181.57

Step by Step Solution

1. Step 1: Write the proportion equation
   941,061.94 : 1,410,799.21 = 408,181.57 : x
2. Step 2: Convert to fraction form
   941,061.94/1,410,799.21 = 408,181.57/x
3. Step 3: Cross multiply
   941,061.94x = 1,410,799.21 × 408,181.57
4. Step 4: Simplify right side
   941,061.94x = 575,862,231,945.11
5. Step 5: Solve for x
   x = 575,862,231,945.11/941,061.94
6. Step 6: Final answer
   x = 611,928.09