Finding the Fourth Proportional to 742,065.49, 1,024,050.72 and 419,768.83

Step by Step Solution

1. Step 1: Write the proportion equation
   742,065.49 : 1,024,050.72 = 419,768.83 : x
2. Step 2: Convert to fraction form
   742,065.49/1,024,050.72 = 419,768.83/x
3. Step 3: Cross multiply
   742,065.49x = 1,024,050.72 × 419,768.83
4. Step 4: Simplify right side
   742,065.49x = 429,864,572,595.06
5. Step 5: Solve for x
   x = 429,864,572,595.06/742,065.49
6. Step 6: Final answer
   x = 579,281.18