Finding the Fourth Proportional to 806,141.76, 1,112,358.24 and 483,783.36

Step by Step Solution

1. Step 1: Write the proportion equation
   806,141.76 : 1,112,358.24 = 483,783.36 : x
2. Step 2: Convert to fraction form
   806,141.76/1,112,358.24 = 483,783.36/x
3. Step 3: Cross multiply
   806,141.76x = 1,112,358.24 × 483,783.36
4. Step 4: Simplify right side
   806,141.76x = 538,140,406,870.89
5. Step 5: Solve for x
   x = 538,140,406,870.89/806,141.76
6. Step 6: Final answer
   x = 667,550.59