Finding the Fourth Proportional to 404,007.10, 566,659.70 and 404,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   404,007.10 : 566,659.70 = 404,007.10 : x
2. Step 2: Convert to fraction form
   404,007.10/566,659.70 = 404,007.10/x
3. Step 3: Cross multiply
   404,007.10x = 566,659.70 × 404,007.10
4. Step 4: Simplify right side
   404,007.10x = 228,934,542,083.87
5. Step 5: Solve for x
   x = 228,934,542,083.87/404,007.10
6. Step 6: Final answer
   x = 566,659.70