Finding the Fourth Proportional to 756,142.41, 1,043,488.56 and 411,994.59

Step by Step Solution

1. Step 1: Write the proportion equation
   756,142.41 : 1,043,488.56 = 411,994.59 : x
2. Step 2: Convert to fraction form
   756,142.41/1,043,488.56 = 411,994.59/x
3. Step 3: Cross multiply
   756,142.41x = 1,043,488.56 × 411,994.59
4. Step 4: Simplify right side
   756,142.41x = 429,911,641,446.89
5. Step 5: Solve for x
   x = 429,911,641,446.89/756,142.41
6. Step 6: Final answer
   x = 568,559.09