Finding the Fourth Proportional to 1,578,105.28, 2,367,175.20 and 456,184

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,105.28 : 2,367,175.20 = 456,184 : x
2. Step 2: Convert to fraction form
   1,578,105.28/2,367,175.20 = 456,184/x
3. Step 3: Cross multiply
   1,578,105.28x = 2,367,175.20 × 456,184
4. Step 4: Simplify right side
   1,578,105.28x = 1,079,867,451,436.80
5. Step 5: Solve for x
   x = 1,079,867,451,436.80/1,578,105.28
6. Step 6: Final answer
   x = 684,281.00