Finding the Fourth Proportional to 827,693.76, 1,142,180.56 and 483,561.60

Step by Step Solution

1. Step 1: Write the proportion equation
   827,693.76 : 1,142,180.56 = 483,561.60 : x
2. Step 2: Convert to fraction form
   827,693.76/1,142,180.56 = 483,561.60/x
3. Step 3: Cross multiply
   827,693.76x = 1,142,180.56 × 483,561.60
4. Step 4: Simplify right side
   827,693.76x = 552,314,659,082.50
5. Step 5: Solve for x
   x = 552,314,659,082.50/827,693.76
6. Step 6: Final answer
   x = 667,293.49