Finding the Fourth Proportional to 1,163,499.56, 1,745,287.50 and 321,980.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,163,499.56 : 1,745,287.50 = 321,980.84 : x
2. Step 2: Convert to fraction form
   1,163,499.56/1,745,287.50 = 321,980.84/x
3. Step 3: Cross multiply
   1,163,499.56x = 1,745,287.50 × 321,980.84
4. Step 4: Simplify right side
   1,163,499.56x = 561,949,135,291.50
5. Step 5: Solve for x
   x = 561,949,135,291.50/1,163,499.56
6. Step 6: Final answer
   x = 482,981.82