Finding the Fourth Proportional to 566,647.27, 846,522.56 and 405,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   566,647.27 : 846,522.56 = 405,443.50 : x
2. Step 2: Convert to fraction form
   566,647.27/846,522.56 = 405,443.50/x
3. Step 3: Cross multiply
   566,647.27x = 846,522.56 × 405,443.50
4. Step 4: Simplify right side
   566,647.27x = 343,217,068,452.66
5. Step 5: Solve for x
   x = 343,217,068,452.66/566,647.27
6. Step 6: Final answer
   x = 605,697.91