Finding the Fourth Proportional to 833,981.41, 1,250,498.17 and 328,268.40

Step by Step Solution

1. Step 1: Write the proportion equation
   833,981.41 : 1,250,498.17 = 328,268.40 : x
2. Step 2: Convert to fraction form
   833,981.41/1,250,498.17 = 328,268.40/x
3. Step 3: Cross multiply
   833,981.41x = 1,250,498.17 × 328,268.40
4. Step 4: Simplify right side
   833,981.41x = 410,499,033,468.83
5. Step 5: Solve for x
   x = 410,499,033,468.83/833,981.41
6. Step 6: Final answer
   x = 492,216.05