Finding the Fourth Proportional to 755,830.23, 1,043,046.78 and 411,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   755,830.23 : 1,043,046.78 = 411,667.50 : x
2. Step 2: Convert to fraction form
   755,830.23/1,043,046.78 = 411,667.50/x
3. Step 3: Cross multiply
   755,830.23x = 1,043,046.78 × 411,667.50
4. Step 4: Simplify right side
   755,830.23x = 429,388,462,673.32
5. Step 5: Solve for x
   x = 429,388,462,673.32/755,830.23
6. Step 6: Final answer
   x = 568,101.73