Finding the Fourth Proportional to 998,665.32, 1,378,059.12 and 568,919.82

Step by Step Solution

1. Step 1: Write the proportion equation
   998,665.32 : 1,378,059.12 = 568,919.82 : x
2. Step 2: Convert to fraction form
   998,665.32/1,378,059.12 = 568,919.82/x
3. Step 3: Cross multiply
   998,665.32x = 1,378,059.12 × 568,919.82
4. Step 4: Simplify right side
   998,665.32x = 784,005,146,499.76
5. Step 5: Solve for x
   x = 784,005,146,499.76/998,665.32
6. Step 6: Final answer
   x = 785,052.94