Finding the Fourth Proportional to 620,196.56, 929,049.23 and 282,773.06

Step by Step Solution

1. Step 1: Write the proportion equation
   620,196.56 : 929,049.23 = 282,773.06 : x
2. Step 2: Convert to fraction form
   620,196.56/929,049.23 = 282,773.06/x
3. Step 3: Cross multiply
   620,196.56x = 929,049.23 × 282,773.06
4. Step 4: Simplify right side
   620,196.56x = 262,710,087,598.63
5. Step 5: Solve for x
   x = 262,710,087,598.63/620,196.56
6. Step 6: Final answer
   x = 423,591.66