Finding the Fourth Proportional to 404,261.90, 566,796.10 and 404,261.90

Step by Step Solution

1. Step 1: Write the proportion equation
   404,261.90 : 566,796.10 = 404,261.90 : x
2. Step 2: Convert to fraction form
   404,261.90/566,796.10 = 404,261.90/x
3. Step 3: Cross multiply
   404,261.90x = 566,796.10 × 404,261.90
4. Step 4: Simplify right side
   404,261.90x = 229,134,068,298.59
5. Step 5: Solve for x
   x = 229,134,068,298.59/404,261.90
6. Step 6: Final answer
   x = 566,796.10