Finding the Fourth Proportional to 1,559,076.28, 2,338,619.83 and 479,581.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,076.28 : 2,338,619.83 = 479,581.54 : x
2. Step 2: Convert to fraction form
   1,559,076.28/2,338,619.83 = 479,581.54/x
3. Step 3: Cross multiply
   1,559,076.28x = 2,338,619.83 × 479,581.54
4. Step 4: Simplify right side
   1,559,076.28x = 1,121,558,892,500.43
5. Step 5: Solve for x
   x = 1,121,558,892,500.43/1,559,076.28
6. Step 6: Final answer
   x = 719,373.97